Solve the problem.A ball is thrown vertically upward from the top of a building 144 feet tall with an initial velocity of 128 feet per second. The distance s (in feet) of the ball from the ground after t seconds is 
After how many seconds does the ball strike the ground?
A. 8 sec
B. 9 sec
C. 145 sec
D. 11 sec
Answer: B
Mathematics
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Find the exact value of the trigonometric function.csc 
A. - 
B. -1
C. - 
D. - 
Mathematics
Find the probability.A student will take a 12-question "true or false" test. If he must guess on every question, what is the probability that he answers 10 questions correctly?
A. 
B. 
C. 
D. 
Mathematics
Use the graph to find the horizontal asymptote, if any, of the function.
A. y = -4 B. none C. y = 4 D. y = 0
Mathematics
Simplify.
A. 24 B. 25 C. 288 D. does not exist as a real number
Mathematics