Evaluate the expression.-73
A. 21
B. -21
C. -343
D. 343
Answer: C
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Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.A store manager paid $158 for an item and set the selling price at $189.60. What was the percent markup?
A. 22% B. 21% C. 16% D. 20%
Solve.A company that manufactures outdoor rocking chairs makes a daily profit p according to the equation 
where p is measured in dollars and x is the number of rocking chairs made per day. Find the number of rocking chairs that must be made each day to produce a zero profit for the company. Round your answer to the nearest whole number.
A. 2043 rocking chairs or 2657 rocking chairs per day B. 25 rocking chairs per day C. 44 rocking chairs or 50 rocking chairs per day D. 19 rocking chairs or 25 rocking chairs per day
Multiply.-13(13)
A. -182 B. -169 C. 182 D. 169
Solve the problem.The owner of a video store has determined that the average daily cost, in dollars, of operating the store is given by 
where x is the number of videos rented. Find the cost at the vertex of the parabola (the minimum cost). Round your answer to the nearest dollar.
A. $380 B. $630 C. $480 D. $530