Perform the indicated operation. Simplify the result.
- 
A. 
B. 
C. 
D. 
Answer: D
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Identify the distribution as symmetric, left-skewed, or right-skewed.Weights of new-born babies
A. Left-skewed B. Symmetric C. Right-skewed
Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(1.5, -3.6); Find sin ?.
A. - 
B. - 
C. 
D. - 
Find the average of the list of numbers.79, 65, 48, 43, 72, 47
A. 59 B. 57 C. 60 D. 65
Solve the problem.If a rock is thrown vertically upward from the top of a building 80 feet high with an initial velocity of 64 feet per second, the height, h, above ground level after t seconds is given by h = -16t2 + 64t + 80, where h is in feet and t is in seconds. What is the maximum height the rock will reach?
A. 80 ft B. 84 ft C. 144 ft D. 16 ft