Write as a percent. Round the percent to the nearest tenth if necessary.

A. 39.3% 
B. 220%
C. 86.4% 
D. 8.6% 


Answer: C

Mathematics

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Provide an appropriate response.The list of constructible regular n-gons up to  is .

A. 3, 4, 5, 6, 8, 10, 12, 16, 17, 20 B. 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20 C. 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 18, 20 D. 3, 4, 5, 6, 8, 10, 12, 14, 15, 16, 17

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Sketch the line with the given slope that passes through the indicated point.Slope = ; line passes through the point (-2, 0)

A.

B.

C.

D.

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Use the given information to find the exact value of the trigonometric function.sin ? = - , ? lies in quadrant IVFind cos .

A. - 
B.
C.
D. - 

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Solve the problem.Find the point of diminishing returns (x, y) for the function ,  , where R(x) represents revenue in thousands of dollars and x represents the amount spent on advertising in tens of thousands of dollars.

A. (12 , 21,656) B. (14 , 23,712) C. (54.55, -11,469.28) D. (14.4, 24,118.98)

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