Solve the problem.If an object is propelled upward from a height of 64 feet at an initial velocity of 64 feet per second, then its height after t seconds is given by the equation 
where h is in feet. After how many seconds will the object reach a height of 128 feet?
A. 1 sec
B. 4 sec
C. 2 sec
D. 8 sec
Answer: C
Mathematics
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Find the exact value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.Find sin ?.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A basketball player has a vertical leap of about 26 in. What is his hang time? 
A. 0.29 seconds B. 0.74 seconds C. 0.81 seconds D. 0.11 seconds
Mathematics
Evaluate the expression.C(4, 0)
A. 24 B. 6 C. 12 D. 1
Mathematics
Let U = {1, 2, 4, 5, a, b, c, d, e}. Find the complement of the set.G = {a}
A. {1, 2, 3, 4, 5, b, c, d, e} B. {1, 2, 4, 5, b, c, d, e} C. {u, v} D. {1, 2, 5, b, c, d, e}
Mathematics