Multiply.-7(2)
A. 7
B. -14
C. -7
D. -16
Answer: B
Mathematics
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The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)
What is the body's acceleration when t = 8 sec?
A. -2 ft/sec2 B. 1.67 ft/sec2 C. 1 ft/sec2 D. 0 ft/sec2
Mathematics
Simplify.(2xy)3(3x4y9)2
A. 6x5y21 B. 72x9y14 C. 72x11y21 D. 6x11y21
Mathematics
Simplify the expression. Assume that all variables represent positive numbers, so that no absolute value symbols are needed.
?
?
A. 
B. ?
C. ?
D. ?
Mathematics
Insert <, >, or = to make the statement true.
A. < B. = C. >
Mathematics