Answer:
Nitrous oxide is a safe and effective sedative agent that is mixed with oxygen and inhaled through a small mask that fits over your nose to help you relax. Nitrous oxide, sometimes called “laughing gas,” is one option your dentist may offer to help make you more comfortable during certain procedures.
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Answer:
3) former sells similar, although not identical, products.
Explanation:
In a monopolistic competition, there may be many sellers of a specific good, but in order for each firm to possess a monopolistic edge over the other, minute differences may exist between the similar goods. For example, geometrical sets are more or less the same, in terms of content. However, producer A may include a formula sheet, something which producer B may compensate with a timetable sheet. A consumer may wish to buy a geometrical set, but will have to choose between one from producer A or B since they all have different special features. Both producers A and B possess a monopoly of sorts over each other, due to the difference in features. This is called product differentiation. It may be physical, like the one above or perceived, where product A may seem better than product B, though entirely similar, due to A’s massive advertising. Purely competitive firm sells standard product like its competitors.
Answer:
d. 12.72%
Explanation:
To calculate the expected return on the market, we will use the Capital asset pricing model (CAPM) equation.
The CAPM allows to relate the risk-free rate of return (RFROR), the market risk premium, the beta of an asset and the expected return of this asset.
Expected return = risk-free ROR + (Beta*Market risk premium)
In this case we know all the parameters but the Market risk premium (MRP), so we have:

We also know that the beta of the market, by definition, is equal to one. So now that we know the market risl premium we can calculate the expected return on the market:

The expected return on the market is 12.72%.
The answer is Cost Accounting system because it is system of accounting for production operations that provides managers with information to control costs and set selling prices.
<h3>What is Cost Accounting?</h3>
Cost Accounting system refers to some set of methods a company's management employ to record and report measurements of the cost use to produce goods and some services carried out in detail. It involves procedures use to recognize, classify, allocate, sort and record costs incured and comparing them with standard costs.
Therefore, The answer is Cost Accounting system because it is system of accounting for production operations that provides managers with information to control costs and set selling prices
Learn more on Cost accounting from the link below.
brainly.com/question/24516871
The answer is b idk why but i think im right