Solve the problem.A retailer knows that n games can be sold in a month at a price of 
dollars per game. Assume that he buys each game for 
and sells everyone that he buys. If he wishes to make a profit of at least 
per month on sales of this game, how many games must he sell each month?
A. 0 ? n ? 20
B. 25 ? n ? 35
C. 20 ? n ? 50
D. 20 ? n ? 70
Answer: C
Mathematics
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Simplify.?16?
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Solve triangle ABC. If necessary, round the answer to the nearest tenth. 
A. B = 36.8°, b = 283.1 ft, c = 353.4 ft B. B = 37.2°, b = 353.4 ft, c = 285.8 ft C. B = 37.2°, b = 29.5 ft, c = 24 ft D. B = 37.2°, b = 285.8 ft, c = 353.4 ft
Mathematics
Solve the equation on the interval [0, 2?).cos x - 2 cos x sin x = 0
A. 0, 
, 
, 
B. 
, 
, 
, 
C. 
, 
, 2?
D. 
, 
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Estimate the slope of the tangent line to the curve at the given point.
A. - 
B. - 
C. -4
D. 
Mathematics