Simplify the following by combining like terms.-12r + 9r3 + 9r3 + 9r
A. 15r
B. 15r3
C. -3r + 18r3
D. cannot be simplified
Answer: C
Mathematics
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A. 
B. {0, 2}
C. {-2, 0}
D. {-2, 0, 8}
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Solve the problem.The graphs below show the first and second derivatives of a function 
. Select a possible graph f that passes through the point P.f'?f"
?
A. 
B. 
C. 
D. 
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
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Divide. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.
A. 0.05
B. 0.0
C. 0.
D. 0.
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