Simplify the Expression $18 + ( - 9 ) - 15$

question 453

Multiple Choice

Simplify the expression. (Remember the order of operations.)
- $18 + ( - 9 ) - 15$

• A) 24
• B) \(- 6\)
• C) 6
• D) 42

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Definitions:

Monopolistically Competitive

A market structure where many companies sell products that are similar but not identical, allowing for some degree of market power and price control by individual firms.

Profit-Maximizing Level

The optimal point at which the difference between total revenue and total cost is the greatest, indicating the highest possible profit for a firm.

Short Run

a period in economics during which at least one input is fixed and cannot be changed, limiting a firm's ability to adjust production.

Fixed Costs

Expenses that do not change in proportion to the activities of a business within a certain range of operation, such as rent, salaries, and insurance.