Add or subtract, if possible. Assume that all variables represent non-negative values and be sure to simplify your answer.w + 7w2 - 5

A. 9w2
B. 7w3 + 2w2
C. 9w3
D. 7w3 + 7w2  - 5w4

Answer: A

Mathematics

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Find a linear model for the following data table. Round your answer to two decimal places, if necessary.  x 3 4 5 6 y 16 12 8 4?

A. ?
B. ?
C. ?
D. ?

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Evaluate the integral.

A.  tan6 x + C
B.  tan8 x + C
C. 6 sec2 x tan6 x + C
D. 6 sec6 x + C

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Solve.The perimeter of the square is 12 meters. Find the length of each side.

A. 24 m
B. 6 m
C. 49 m
D. 3 m

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Mathematics

For the given functions f and g, find the indicated value.f(x) = x2 + 5x, g(x) = x + 3(g ? f)(2)

A. 17 B. 19 C. 70 D. 50

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Mathematics