Find the mean for the given sample data.Six college students spent $188.20, $185.15, $164.86, $148.41, 
, and 
respectively for books. Compute the mean amount spent. Round your answer to the nearest cent.
A. $229.75
B. $241.75
C. $302.19
D. $201.46
Answer: D
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Factor the trigonometric expression.cot2? cos ? - 10 cot ? cos ? + 24 cos ?
A. (cot ? cos ? - 4)(cot ? - 6 cos ?) B. (cos ?)(cot ? - 24)(cot ? - 1) C. (cot ? cos ? + 4)(cot ? - 6 cos ?) D. (cos ?)(cot ? - 4)(cot ? - 6)
Find the volume of the indicated region.the region that lies under the plane 
and over the triangle bounded by the lines 
, 
, and 
A. 65 B. 85 C. 71 D. 91
Use transformations to graph the function.y = 3 cos x
A. 
B. 
C. 
D. 
Solve the problem. Round to the nearest cent.The March 1 unpaid balance in an account was $231. On March 10, a payment of $60 was made. The interest rate per month was 1.7% per month of the average daily balance. Find the new balance at the end of March.
A. $172.70 B. $174.11 C. $203.03 D. $174.20