Solve the problem.If an object is propelled upward from a height of 112 feet at an initial velocity of 96 feet per second, then its height after t seconds is given by the equation 
After how many seconds does the object hit the ground?
A. 6.0 sec
B. 3.5 sec
C. 11 sec
D. 7 sec
Answer: D
Mathematics
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A. 26r - 29.3 B. -4.9r + 2.1 C. -102.7r D. 26r + 10
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Find the exact value using a double-angle identity.cos 
A. - 
B. 
C. - 
D. 0
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Represent the shaded area in the figure group with a mixed number.
A. 12
B. 15
C. 3
D. 3
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