Discuss the actions taken by the read_item and write_item operations on a database.

Answers

Answer 1
A "read_item" operation within a database would check the value of variable from a database, and store it in memory. Conversely, a "write_item" operation on a database would update the value of that variable to a new definition.
Answer 2
Final answer:

The read_item operation retrieves data from the database, while the write_item operation inserts or updates data. Both operations are vital for database management, aiming to maintain data integrity, concurrency control, and uphold the ACID properties.

Explanation:Database Operations: Read_item and Write_item

The operations read_item and write_item are fundamental in the management of databases. The read_item operation is concerned with retrieving data from the database. When this operation is invoked, it accesses the database, finds the desired item based on some form of identifier like a key or index, and reads the item's data, making it available for the user or application.

The write_item operation, on the other hand, is used to insert or update data in the database. This operation entails changing the current state of the database by adding a new item or modifying an existing item's data. The process usually involves specifying the data to be written along with a unique identifier to place or replace the data in the correct location within the database.

Both operations must be handled with care to maintain data integrity and ensure concurrency control in a multi-user environment. The use of such operations is also critical for maintaining the ACID properties (Atomicity, Consistency, Isolation, Durability) which are essential for database reliability.


Related Questions

The expected date of confinement (eds) is usually estimated by a formula called:

Answers

It is called the Naegele's run the show. It predicts an expected due date in light of the beginning of the lady's last menstrual period. You just extra nine months and seven days to land at the due date. 
It is a standard method for ascertaining the due date for a pregnancy while expecting a gestational age of 280 days at labor.

A.j. was a newly hired attorney for idle time gaming, inc. even though he reported directly to the president of the company,
a.j. noticed that the president always had time to converse with the director of sales, calling on him to get a pulse on legal/regulatory issues that, as the company attorney,
a.j. could have probably handled.
a.j. also noted that the hr manager's administrative assistant was the go-to person for a number of things that would make life easier at work.
a.j. was recognizing the _____

Answers

AJ was recognizing the INFORMAL ORGANISATION OF THE COMPANY.
Informal organisation of a company refers to the interlocking social structure which govern how colleagues work together in practice. It describes the aggregate of behavior, interactions, norms and professional connections through which works get done.

Which of the following is a feature of online professional networking groups such as LinkedIn, Ecademy, and Plaxo? a)job certification b)letters of recommendation c)employment and networking tips d)field-based training

Answers

Letters of recommendation

Answer:

letters of recommendation.

Explanation:

Which stage of activity in logistics involves waste disposal and recycling?

Answers

The stage of activity in logistic wherein it involves waste disposal and recycling is when firms and companies always do ensure that in their program the engagement and participation of their people is active. All employees must be aware and become knowledgeable as to what is required for them to attain success in their environmental program.

G addressing the drop in production as a result of randall and abby's alleged indiscretion requires a review of the ___________, which describes the minimum qualifications a person must have to do the job successfully.

Answers

This is a job specification. This document lays out all the required skills and qualifications that a person needs, at a minimum, to be able to handle the needs of the position. Reviewing this document will allow management to see if Randall and Abby are able to meet these criteria, and make a decision on employment from there.

In your own words, describe the evolutionary trend for increasing organismal complexity, using examples from this lab to illustrate your answer.

Answers

On a cellular level, the trend for increasing organismal complexity is due to its specialization. Multicellular organisms cannot live on by themselves and functions properly without being together in order to complete a certain function. For example, the Volvox has a multicellular organism and can show its function such as through team work
Final answer:

Organismal complexity has increased over time from simple unicellular organisms to highly complex multicellular ones. This trend is seen in the development of specialized cells and organs in certain organisms such as humans. Factors influencing this trend include environmental changes, genetic variation, and random mutation.

Explanation:

The evolutionary trend for increasing organismal complexity can be seen in numerous examples, from simple unicellular organisms to complex multicellular ones. For example, primitive organisms such as bacteria are single-celled and relatively simple in their structure. Over evolutionary time, however, increasingly complex multicellular organisms have evolved from these simple beginnings.

One way this can be demonstrated is when looking at how certain organisms have developed systems of specialized cells and organs to perform different functions. For instance, humans and other mammals have a highly complex nervous system, composed of billions of interconnected neurons, each of which is a cell specialized for the transmission of electrical signals. This level of complexity and specialization is a far cry from the simple, unicellular organisms from which we evolved.

The evolutionary trend towards increasing complexity is influenced by various factors, including changes in environment, genetic variation, and random mutation. These factors may provide a selective advantage, thus allowing more complex organisms to survive and reproduce.

Learn more about evolutionary trend for increasing organismal complexity here:

https://brainly.com/question/32032858

#SPJ3

Selecting a base year and expressing each amount as a percent of the base year amount is called:

Answers

The process of selecting a base year and expressing the amount as a percent of the base year amount is referred to as trend analysis. Percentage change can be calculated between two periods or over a longer period of time.

Percentage change between two periods:

Subtract the earlier year from the later year. A negative difference means the change is a decrease. A positive difference means it is an increase. Then divide the change by the earlier year's balance.

Percentage change over a longer period of time:

1.    Select the base year.

2.    Divide the amount in each nonbase year (for each line item) by the amount in the base year and multiply by 100.

Mark has two job offers when he graduates from college. mark views the offers as​ identical, except for the salary terms. the first offer is at a fixed annual salary of​ $50,000. the second offer is at a fixed salary of​ $20,000 plus a possible bonus of​ $60,000. mark believes that he has a 50minus−50 chance of earning the bonus. if mark takes the offer that maximizes his expected utility and is risk​ neutral, which job offer will he​ choose?

Answers

The first Job has a 100% chance for Mark to earn $50,000. While the second Job Has a possible 50% chance for Mark to earn $20,000 and another possible 50% chance for him to earn $80,000 ($20,000 + $60,000) If mark is risk neutral (Meaning that he is insensitive as regards to risk taking) and he wants to maximize his expected utility then Mark will go for the 100% chance of earning $50,000.

Studies that fail to establish significant benefits of an intervention like medication are often never submitted for publication and instead filed away. the problem with this approach is that

Answers

The issue with this approach is that this inclination toward distributing just positive outcomes seriously constrains our capacity to assess the viability of antidepressants since we are just observing a cut of the real information. Further, a few scientists have addressed whether individuals with not as much as serious melancholy may have encountered positive outcomes in light of their desire of advantage, also called the misleading impact.

Nicklaus company has decided to sell one of its old machines on june 30, 2013. the machine was purchased for $160,000 on january 1, 2009, and was depreciated on a straight-line basis for 10 years with no salvage value. if the machine was sold for $52,000, what was the amount of the gain or loss recorded at the time of the sale?

Answers

Straight line depreciation (D) is computed as follows:

D= (purchase cost of an asset- its expected salvage value)/ the number of years of its expected useful life.

In the case of the old machine sold by Nicklaus Company, depreciation (D) in dollars is:

D = (160,000-0)/10

D= 160,000/10

D= 16,000 per year

Since the machine was bought on June 30, 2003, and was sold on January 1, 2009, its total depreciation value (TD) for the 6 and half years that it was used is:

TD = 16,000 x 6.5

TD= 104,000

Cost of the asset on time of sale, therefore, is 160,000-104,000=56,000

Since the company sold it at only $52,000, recorded loss will be $4,000 (56,000-52,000). 

Final answer:

The Nicklaus company would record a loss of $36,000 from the sale of the old machine, which had a net book value of $88,000 and was sold for $52,000.

Explanation:

The student's question pertains to recording the gain or loss on the sale of an asset, which is a common accounting exercise that involves determining the book value of the asset at the time of disposal and comparing it to the sale proceeds. Given the machine was purchased for $160,000 and depreciated on a straight-line basis over 10 years with no salvage value, its annual depreciation expense would be $160,000 / 10 years = $16,000 per year. From January 1, 2009, to June 30, 2013, the machine was in use for 4.5 years (half of 2009, plus 2010, 2011, 2012, and half of 2013), resulting in accumulated depreciation of $16,000 * 4.5 years = $72,000. The net book value of the machine as of June 30, 2013, would be $160,000 (cost) - $72,000 (accumulated depreciation) = $88,000. Since the machine was sold for $52,000 and its net book value was $88,000, the company would record a loss of $88,000 - $52,000 = $36,000.

The budget committee in a company is often headed by the

Answers

The answer to this question is External auditors.
Companies often owned by many shareholders that is not involved within the management team of the company.
To ensure full disclosure toward the real situation of company's finance and prevent analytical bias, they need an independent auditor outside the company 

The role of a sales representative in the promotion process has changed from that of persuader to that of a:

Answers

A consultant and problem solver

When "exxon" markets their regular unleaded gasoline around the world they use a __________ strategy?

Answers

The answer is mass marketing strategy, this type of strategy in marketing focuses more on aiming their products to a wide variety or large scale of consumers in which they provide or promote their specific product in which we could see in the given scenario above.

What are the manager's roles in a development system? which role do you think is most difficult for the typical manager? which is the easiest role? list the reasons why managers might resist involvement in career management?

Answers

??????????????????????????

A development manager will collaborate with other department heads to set project milestones and work to successfully and affordably complete projects.

What are the manager's roles?

Organizing and supervising a certain group, project, or industry within a firm is the responsibility of managers. Depending on a manager's position within the organization, the breadth and depth of their duties may change. A person with the title of manager may be in charge of a team or a specific function.

A senior manager, for instance, may have very different responsibilities than a manager of business development. Although they typically report to a board of directors and trustees, top-level managers like CEOs and directors typically sit near the top of the hierarchy. These managers are frequently in charge of high-level planning, including broad policies, budgets, and the overall business strategy.

Learn more about manager's roles, here:

https://brainly.com/question/14284793

#SPJ5

Things were terrific at x bank on elm street until an unfortunate incident occurred. before the incident, the bank had installed hidden cameras, a fancy alarm system, and bars on entrance and exit doors. nevertheless, the bank was burglarized last week. although no employees were hurt, one of the bank's most loyal and respected tellers said, "for the first time in five years, i feel a bit uneasy, fearful on the job." the bank may find that for this employee and others, the ____ need must now be met.

Answers

The safety need should now be met. Under Abraham Maslow’s hierarchy of needs, this is next to physiological needs; this discusses about the need of security and protection. These needs have to do with our natural yearning for a foreseeable and arranged world that is somewhat within our limit. In terms of workplace, an example of the safety need would be one should feel safe inside the working environment that the individual should feel that nothing would happen inside while he or she is working.

True or false technological advances have resulted in fewer opportunities for small businesses abroad.

Answers

I'm not sure.... maybe true?

Choose one of the scenarios below and write a three-paragraph essay describing its effect on prices for food, housing, and oil. remember that the future is always uncertain, so there's no right answer. make your best guess as to what might happen in each case based on the economic concepts you've learned so far. pay particular attention to how consumer demand would change and how the event would affect production costs and the business cycle.

Answers

Final answer:

A significant drought can lead to an increase in the prices of food, housing, and oil due to changes in supply and demand. In particular, the decrease in the supply of agricultural products and construction materials combined with potential shifts in demand for alternative energy sources could lead to higher prices.

Explanation:

In this scenario, let's consider a significant drought like the one that affected the Manchurian Plain in Northeastern China in 2014. Such a drought will drastically reduce the supply of agricultural products, like food, leading to an increase in its price due to its scarcity. This is represented by a shift to the left in the supply curve with demand remaining constant.

As for the housing market, it is plausible that an extreme drought might lead to an increase in costs of construction materials, such as timber, potentially driving up housing prices. However, assuming incomes remain constant, the demand for housing may not significantly change, as housing is generally a need, and not a luxury good.

Regarding oil prices, a global drought might affect the cost of biofuels, an alternative to oil, which are made from crops like corn and soybeans. If the production cost of biofuels increases due to scarcity in these crops, the demand for oil as an alternative energy source might increase, consequently increasing its price. This scenario presents a rightward shift in the demand curve as consumers move towards oil for their energy needs.

Learn more about Economic Effects of Drought here:

https://brainly.com/question/4449420

#SPJ12

c) A severe drought affecting major agricultural regions; Housing prices may increase in urban areas due to higher costs of living, while decreasing in rural areas.

Let's consider the scenario of a severe drought affecting major agricultural regions and its impact on prices for food, housing, and oil. A severe drought would significantly reduce the supply of crops, leading to higher food prices. As the availability of agricultural produce decreases, farmers might face higher production costs due to the need for irrigation and other measures to protect their crops, resulting in an increased equilibrium price and a lower quantity in the market for food. Higher food prices can have a ripple effect on housing. Regions heavily dependent on agriculture may see a decrease in income for those involved in farming, potentially reducing their ability to pay rent or mortgages. This could lead to a decrease in housing demand in rural areas and possibly lower housing prices there. However, in urban areas, where food supply shortages lead to increased costs of living, people might find it harder to afford housing, thereby increasing demand for more affordable housing options and potentially raising rents in those regions. Lastly, the drought's effect on oil prices would likely be indirect. Farmers and agribusinesses might shift towards more fuel-efficient or electric-powered machinery to cope with increased costs, which could marginally reduce oil demand. Additionally, if the drought leads to higher food transportation costs due to increased fuel consumption, this might slightly raise oil prices. Nevertheless, the overall impact on the global oil market would likely be minimal compared to the significant changes seen in food and housing markets.

Complete Question:

**"Choose one of the scenarios below and write a three-paragraph essay describing its effect on prices for food, housing, and oil. Remember that the future is always uncertain, so there's no right answer. Make your best guess as to what might happen in each case based on the economic concepts you've learned so far. Pay particular attention to how consumer demand would change and how the event would affect production costs and the business cycle.

Scenarios:

a) A major technological breakthrough in renewable energy.

b) A significant increase in the global population.

c) A severe drought affecting major agricultural regions.

d) A sudden and sharp decrease in the global oil supply."**

• a friend of yours has opened professional electronics and repairs (pear) to repair smartphones, laptops, tablets, and mp3 players. she wants you to create a database to help her run her business. • when a customer brings a device to pear for repair, data must be recorded about

Answers

The database for PEAR, a professional electronics repair service, includes tables for Customers, Devices, and Repairs. It captures customer details, device information, repair status, and costs, facilitating organized management of repair requests for smartphones, laptops, tablets, and MP3 players.

To create a database for your friend's professional electronics repair business (PEAR), you would need to include essential information about each repair request. Here's a basic outline of the database structure:

1. Customers Table:

  - CustomerID (Primary Key)

  - FirstName

  - LastName

  - ContactNumber

  - Email

2. Devices Table:

  - DeviceID (Primary Key)

  - DeviceType (Smartphone, Laptop, Tablet, MP3 Player, etc.)

  - Brand

  - Model

  - SerialNumber

3. Repairs Table:

  - RepairID (Primary Key)

  - CustomerID (Foreign Key referencing Customers Table)

  - DeviceID (Foreign Key referencing Devices Table)

  - IssueDescription

  - RepairStatus (In Progress, Completed, Collected, etc.)

  - RepairCost

  - DateReceived

  - DateCompleted

This structure allows tracking of customer details, device information, and repair records, facilitating efficient management of repair requests at PEAR.

A construction manager can be a person or company. True False?

Answers

A construction manager can indeed be either an individual or a company, responsible for overseeing and coordinating construction projects.

The statement that a construction manager can be a person or a company is indeed true. In the context of project management and construction, the role of a construction manager is crucial. This individual or entity provides leadership and coordination on construction projects. The construction manager is responsible for planning, budgeting, and overseeing the entire construction process.

While typically we might think of a manager as a person, construction management services can also be provided by specialized companies that have the expertise and resources to handle large-scale projects and various aspects of the construction process.

A construction manager or management company works to ensure a project is completed on time and within budget. They often serve as the communication hub between the various stakeholders, including architects, contractors, and clients. And while they hold a significant role in project coordination, it's important to note that they are part of a team working collaboratively.

The construction manager's skills can include both mental and physical labor, which involves organizing blueprints, complying with building codes, and sometimes supervising construction tasks directly on-site.

If you are generally less productive and more accident-prone than other workers, than it is most likely that you _____.

Answers

The answer to go in the blank would be ''Rotating shift worker''.

Name three factors that have contributed to the high output of goods and services over the history of our economy. What changes have occurred in productivity in recent years

Answers

different iPhones have changed I think

Jorge tried to pick up his sofa but discover that it is much heavier than he expected. what must occur in the muscle to increase tension so he can pick up this heavy piece of furniture

Answers

The thing that must occur in the muscle to increase tension so he can pick up this heavy piece of furniture will be recruitment of additional motor units. Jorge need to recruit additional motor units so that he can carry / pick up his sofa and his muscle will increase its tension so he can pick up his heavy sofa.

Thompson company updates its inventory records perpetually. the company's records showed a beginning inventory of $600, cost of goods sold of $1,400, and ending inventory of $800. how much inventory was purchased during the year? $1,200 $1,000 $900

Answers

The total inventory can be calculated by adding the initial or beginning inventory which is equal to $600 and the cost of goods sold, $1,400. That is,
     
    T = $600 + $1,400 
    T = $2,000

Then, we subtract the ending inventory of $800 from the calculated value.

    S = $2,000 - $800
    S = $1,200

Hence, the answer to this item is the first choice. 

Which of these statements best defines organizational​ design?a.allowing top managers to make decisionsb.engaging in accomplishing​ long-term goalsc.grouping common jobs togetherd.creating the structure of an organizatione.dividing work activities into distinct job tasks?

Answers

a. allowing top managers to make decisions, because the other 3 answers could all fall under the first answer. organizations are designed from top down. This makes a. the best answer.

A three-line-to-eight line decoder has inputs cba where the a input is the lsb (least significant bit). the output and gates are labeled q0 through q7. one would normally expect the output of and gate q4 to be active when the inputs are:

Answers

a = false b = false c = true Since the outputs are labeled q0 through q7, it's logical to assume that when the value represented by cba is 0, for q0 to be enabled, when cba represents 1, then q1 to be enabled, all the way until cba represents 7 which causes q7 to be enabled. Since q4 is enabled, that would mean that cba has to represent the value 4. And since this is binary and "a" is the lsb, it would be logical to assume that c is the msb (Most significant bit) so a has the value of 1 b has the value of 2 c has the value of 4 And we need to determine some combination the a,b,c that adds up to 4. And that's obviously where c is true (value 4) and both b and a are false (values of 0). So a = false b = false c = true.

Why is it often difficult for a firm to match its strategy to hr deliverables??

Answers

It is difficult because firms have a hard time executing strategies they develop. The vision the firms has is either too wide in scope, costs too much money, or uses too many resources to be truly viable. The strategy or deliverables may need to be altered or scrapped to get a fresh start.

Because of the complexity of strategy, changing business conditions, varied workforces, resource limitations, resistance to change, measurement challenges, and the requirement for leadership alignment, it can be difficult for a company to align its HR deliverables with its business plan.

Aligning a firm's strategy with its HR deliverables can indeed be challenging due to several reasons:

1. **Complexity of Strategy**: Often, a firm's strategy is multifaceted, involving various components such as market positioning, product differentiation, cost leadership, and innovation. Aligning HR practices with such a multifaceted strategy requires careful consideration and coordination.

2. **Dynamic Business Environment**: The business environment is constantly evolving due to factors like technological advancements, changing customer preferences, and competitive pressures. This dynamism necessitates agility in both strategy formulation and HR practices to ensure alignment.

3. **Diverse Workforce**: Firms today often have diverse workforces in terms of skills, experiences, and cultural backgrounds. Tailoring HR practices to meet the needs of this diverse workforce while still aligning with the firm's strategy can be challenging.

4. **Resource Constraints**: Limited resources, both in terms of budget and manpower, can constrain a firm's ability to implement HR practices that perfectly align with its strategy. Prioritization becomes crucial in such situations.

5. **Resistance to Change**: Implementing new HR practices to align with the firm's strategy may face resistance from employees who are accustomed to existing ways of working. Overcoming this resistance and fostering a culture of adaptability is essential for successful alignment.

6. **Measurement and Evaluation**: It can be difficult to measure the effectiveness of HR practices in contributing to the firm's strategic objectives. Without clear metrics and evaluation mechanisms, it becomes challenging to assess alignment and make necessary adjustments.

7. Leadership Alignment: Ensuring that leadership throughout the organization understands and actively supports the firm's strategy and its alignment with HR deliverables is critical. Misalignment at the leadership level can hinder effective implementation.

To address these challenges, firms need to invest in robust strategic planning processes that involve HR professionals from the outset. Regular communication, feedback mechanisms, and continuous evaluation are also essential to ensure that HR practices remain aligned with the firm's evolving strategy.

Keith offers to sell his home to debbie for $80,000. debbie replies, "your price is too high. i will offer to buy it for $70,000." debbie's response is

Answers

Keith offers to sell his home to Debbie for $80,000. Debbie replies, "your price is too high. I will offer to buy it for $70,000." Debbie's response is negotiating with Keith in lower/lesser price of the house. It is also called bargaining of items or anything that prices are high or even fixed price can still be considered and negotiable.

e. If the market price of wheat instead falls to $20.00 per bushel, how much wheat will Ali choose to produce per month in order to maximize his profits in the short run?

Answers

not enough information
Final answer:

In the case of farming, if the price for produces remains above average variable cost then the farm will continue to produce, even if they are generating a loss, as this is preferable to losing all fixed costs. If the price falls below average variable cost, then the farm should shut down to minimize losses. However, without specific information about Ali's costs in growing wheat, it is difficult to calculate the exact amount to produce at a price of $20 per bushel.

Explanation:

In the scenario of farming, it's often worked out that if the operation can make enough revenue to cover its variable costs and some fixed costs, it will continue to operate in the short term. This is likely due to the significant investment in fixed costs needed to start a farm operation. If we apply this concept to wheat production and assume similar conditions to those outlined for raspberry production, if the price of wheat falls to $20.00 per bushel, Ali should continue to produce wheat if he can cover his variable costs and some of his fixed costs. It is critical, however, that the price of $20.00 is above his average variable cost for this level of output. If Ali can't pay his workers (the variable costs), he might have to cease production.

This principle of farming operation holds when the farm operates based on the rule of producing where P = MR = MC (Price equals Marginal Revenue equals Marginal Cost). It signifies a profit-maximizing output level. When the price declines below this level, the farm should consider shutting down in the short run because the loss from operating (not being able to cover even variable costs) would be more significant than the loss of whole fixed costs if operations are stopped.

However, these decisions need concrete numerical calculations using the farm's specific costs, which differ for every individual case. So, without further specific cost information, it is hard to assess the exact quantity of wheat Ali should produce at a price of $20.00 per bushel.

Learn more about Profit Maximization here:

https://brainly.com/question/31518483

#SPJ11

You've just joined a new company as one of their newest inbound sales representatives and are excited to begin executing on their connect strategy. you've recently identified a potential buyer, determined their persona, and identified which lead source they came from. what are your next steps as an inbound salesperson, in order?

Answers

After identifying a potential buyer, the next step is to connect with them through personalized messaging and advice, further explore their particular needs and tailor the sales process to meet their timeline.

Whether a buyer or a seller pays more of a commodity tax depends on:

Answers

A buyer or seller that pays more of a commodity tax is still dependent on a specific factor such as the relative price elasticity that are present or visible because this could greatly affect the commodity tax that the buyer or seller pays.

Answer:

becaude of the taxes

Explanation:

Other Questions
What two roles do forensic engineers play? "Every Bill which shall have passed the House of Representatives and the Senate, shall, before it become a Law, be presented to the President of the United States: If he approve he shall sign it, but if not he shall return it, with his Objections to that House in which it shall have originated..."U.S. ConstitutionThis quote directly reflects the principle offederalismdemocracypopular sovereigntychecks and balances The ability to imitate and learn through observation and not through being directly taught is called Identify the aspects of the Roman Republic that are now part of the values and institutions of the United States. Then, explain how they led to the rise of democracy.(I mostly need help on the second part) The Lewis structure for ethylene, C2H4, is shown. How many valence electrons do the two carbon atoms in the molecule share with each other in the double bond? The price changes from $450 to $396 what is the percent change?A. 13.6% increaseB. 13.6% decreaseC. 12% increaseD. 12% decrease choose the correct definite article for the following noun: maestraA. elB. laC. las What causes tides to occur in the ocean? What New York neighborhood was home to many famous African American artists? Select the graph of the solution. Click until the correct graph appears. 3x + 1 < 7 (line graph) How did Tejanos distinguish themselves from the Mexican army? Is it acceptable to copy-and-paste a sentence written by someone else into your paper and simply add quotation marks around it? Beginning in the 3rd century, rome was developing a soft "belly". What does that mean? Rotate 90 clockwise around the origin (-6,-2) (-3,1) (-1,1) (2,-4) please help me! In a school, there are 150 students. Out of these 80 students enrolled for mathematics class, 50enrolled for English class, 60 enrolled for physics class. The student enrolled for English cannotattend any other class , but student of mathematics and physics can take two courses at atime. Find the number of students who have taken both physics and mathematics.a. 40b. 30c. 50d. 20 Can someone please help me :) if (93 x p) + 84 = 85 then please equals:01/931/851/841 Read the passage about the fluoridation of drinking water. Since the early 1960s, fluoride has been added to many sources of drinking water to prevent cavities in teeth. This is called fluoridation. There are some who say that this is unnecessary and increases the risk of cancer. In 1993, the Subcommittee on Health Effects of Ingested Fluoride of the National Research Council, part of the National Academy of Sciences, conducted an extensive study about the link between fluoridated drinking water and increased cancer risk. The study included data from more than 50 human disease studies and six animal studies. The Subcommittee concluded that none of the data showed a link between fluoridated drinking water and cancer. A 1999 report by the CDC supported these findings. The CDC report concluded that studies so far have produced "no credible evidence of a link between fluoridated drinking water and an increased risk for cancer. Which information makes this article reliable? Fluoride has been added to drinking water since the 1960s. Some people doubt the necessity of fluoridation. More than 50 studies were conducted. Fluoride has been found to prevent cavities in teeth. (3a3 5b3) + a3 + b3 = (a3 + b3). Leia is operating a digital spinner game in which a player spins an arrow and is given a prize based on where the spinner lands. Leia can program the probability of each of the outcomes. The stuffed teddy bear is the best prize, so she programs the spinner so that the probability of not getting a bear twice in a row is greater than 3 times the probability of getting the teddy bear in one spin.Write an inequality that compares the probability of getting the teddy bear to the probability of not getting the teddy bear, using p to represent the probability of getting the teddy bear in one try. Which excerpt from Terra Nova Expedition Timeline provides evidence that supports the inference that Captain Scotts efforts to be the first to reach the South Pole were in vain? (Select all that apply.) Steam Workshop Downloader