Solve the problem.One half of a number is 3 more than one-sixth the same number. What is the number?

A. 8
B. 18
C. 12
D. 9

Answer: D

Mathematics

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Perform the indicated operation. Assume that all variables are nonnegative.10 - 10

A. 10
B. 1
C. 0
D.

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Mathematics

Find the derivative of the function.r = (sec ? + tan ?)-2

A. -2(sec ? tan ? + sec2?)-3
B.
C. -2(sec ? + tan ?)-3
D. -2(sec ? + tan ?)-3(tan2 ? + sec ? tan ?)

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Mathematics

Use the limit comparison test to determine if the series converges or diverges.

A. Converges B. Diverges

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Mathematics

Evaluate the definite integral.

A. 162
B.
C. 40
D.

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Mathematics