Solve. If an object is propelled upward from a height of 64 feet at an initial velocity of 48 feet per second, its height h, in feet, after t seconds is given by the equation 
After how many seconds does the object hit the ground?
A. 4 sec
B. 2 sec
C. 11 sec
D. 3 sec
Answer: A
Mathematics
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Solve the problem.For the pair of similar triangles, find the value of b.
A. 16 B. 12 C. 11 D. 4
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Use algebraic and/or graphical methods to solve the inequality.(x + 4)(x - 4)2 > 0
A. x > -4 B. -4 < x < -4 or x > -4 C. All real numbers D. -4 < x < 4 or x > 4
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Add.
+ 
A. 
B. 
C. 
D. 
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Evaluate.i7
A. -1 B. -i C. 1 D. i
Mathematics