If a rock falls near the surface of Earth, it has a constant downward acceleration of 9.8 meters per second per second. If V is the downward velocity, in meters per second, of the rock after t seconds, then V satisfies which equation of change?
?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Bob is planning to pack 6 shirts and 4 pairs of pants for a trip. In how many ways can he choose the shirts and pants if he has 9 shirts and 10 pairs of pants to choose from?
A. 17,698 B. 17,640 C. 17,400 D. 17,730
Mathematics
Use half-angle formulas to find the exact value for the following:
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Simplify the expression.165/4
A. 
B. 1024
C. 32
D. 35
Mathematics
Multiply.
? 
A. 
B. 
C. -1
D. 1
Mathematics