A basketball is tossed onto the hardwood, where it bounces several times. We measure its location as distance down from the ceiling. When the ball is moving upward, what can be said about its velocity?
A. Velocity is positive.
B. Velocity is negative.
C. Velocity is 0.
D. None of the above.
Answer: B
Mathematics
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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(9x
- 
)(
- 
)
A. 9x2 - 9x + 10
B. 9x2 + 10
C. 9x2 - 8x
+ 10
D. 9x2 - 9x
- 
+ 10
Mathematics
Find the midrange for the set of data.100, 100, 92, 54, 79, 100
A. 77 B. 89.5 C. 96 D. 73
Mathematics
Change the polar coordinates (r, ?) to rectangular coordinates (x, y).(9, 330°)
A. 
B. 
C. 
D. 
Mathematics
Look for a pattern and then predict the general term, or nth term, an, of the sequence.-1, 2, -4, 8, -16, 32, . . .
A. an = (-1)n-12n-1 B. an = (-1)n2n C. an = (-1)n2n-1 D. an = (-1)n2n
Mathematics