Evaluate the integral by using multiple substitutions.
dr
A. 
sin 
+ C
B. -sin 
+ C
C. 
+ C
D. 
sin 
+ C
Answer: A
Mathematics
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What will be an ideal response?
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Find the opposite of the expression.3m + 8
A. -3m + 8 B. 3m - 8 C. -3m - 8 D. 3m + 8
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Multiply. Write the answer in lowest terms.
? 
A. - 1
B. - 
C. - 
D. - 
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Divide as indicated.
A. m2 + 2m + 7 B. 7m2 - 2m + 7 C. 7m2 + 2m + 7 D. m2 + 3m + 4
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