Find the mean. Round to one decimal place when necessary.The numbers of miles John ran over the last six days were as follows: 6, 4, 10, 6, 11, 9
A. 7.7 miles
B. 9.2 miles
C. 8.2 miles
D. 6.2 miles
Answer: A
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Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(8, 3); Find cot ?.
A. 
B. 
C. 
D. 
Write the improper fraction as a mixed number.
A. 57
B. 57
C. 
D. 6
Find the root.-
A. -3 B. 9 C. 4.264 D. Not a real number
Solve the problem.A coin is tossed upward from a balcony 186 ft high (h0) with an initial velocity (v0) of 
. Its height h after t seconds is given by the formula h(t) = -16t2 + v0t + h0. During what interval of time will the height of the coin be at least 90 ft?
A. The coin will be at a height of at least 90 feet for any time up to and including 1 sec. B. The coin will be at a height of at least 90 feet for any time up to and including 3 sec. C. The coin will be at a height of at least 90 feet for any time between and including 3 sec and 6 sec. D. The coin will be at a height of at least 90 feet for any time between and including 2 sec and 3 sec.