Solve the problem.An explosion causes debris to rise vertically with an initial velocity of 64 feet per second. The function 
describes the height of the debris above the ground, s(t), in feet, t seconds after the explosion. What is the instantaneous speed of the debris when it hits the ground?
A. 128
B. 64
C. -64
D. -128
Answer: C
Mathematics
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You randomly select one card from a 52-card deck. Find the probability of selecting the card in the problem.a red ace
A. 
B. 
C. 
D. 
Mathematics
Find the midpoint of the line segment joining the points P1 and P2.P1 = (2, 6); P2 = (8, 3)
A. (5, 
)
B. (-6, 3)
C. (
, 5)
D. (10, 9)
Mathematics
Simplify.
-2
A. 
B. 
C. 45 ? 35
D. 48 ? 32
Mathematics
Translate using numbers and symbols.The product of y and z
A. 
B. yz
C. y + z
D. y - z
Mathematics