Solve.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. If an object falls 122.5 meters before it hits the ground, find the time it took for the object to fall.
A. 25 seconds
B. 6 seconds
C. 5 seconds
D. 8 seconds
Answer: C
Mathematics
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Find the quotient. Write the answer in standard form.
A. 
i
B. 
C. - 
D. - 
i
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Find the vertex and axis of symmetry of the graph of the function.f(x) = -4x2 + 8x
A. (-1, 0); x = -1 B. (1, 4); x = 1 C. (1, 0); x = 1 D. (-1, 4); x = -1
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Evaluate the following expression for the given value of the variable.
?
for 
?
A. 
B. 
C. 
D. 
E. 
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