Solve the problem. Round approximations to the nearest cent.Six college buddies bought each other Christmas gifts. They spent $158.37, $237.10, $178.59, $244.90, $252.50, and $123.31. Find the mean amount spent for Christmas gifts.
A. $298.69
B. $226.95
C. $238.95
D. $199.13
Answer: D
Mathematics
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Divide the polynomial by the monomial.(15y2z + 8y4z5 - 10y3z2) ÷ (5y3z4)
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Graph the polar equation.r = - 1 - sin ?
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B. 
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D. 
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Find an for the given geometric sequence.a1 = 3, r = -2
A. an = -2(3)n-1 B. an = -2(3)n C. an = 3(-2)n D. an = 3(-2)n-1
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If $11,000 had been invested in the Fictious Fund on June 30, 1991, then on June 30, 2000 the investment would have been worth $34,575.25. What interest rate compounded annually would this investment have earned? Round your answer to two decimal places. ?
A. 27.14% B. 13.57% C. 11.27% D. 15.33% E. 6.79%
Mathematics