Add or subtract. Assume all variables represent positive real numbers. - 2 + 7

A. 21x
B. 21x
C. 5x
D. 5x


Answer: B

Mathematics

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Express the integrand as a sum of partial fractions and evaluate the integral.

A. 1.64 B. -1.64 C. 3.27 D. 1.81

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Evaluate the surface integral of G over the surface S.S is the portion of the cone z = 3, 0 ? z ? 2; G(x, y, z) = z - y

A.
B. ?
C. ?
D. ?

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Solve the inequality and graph the solution set.| x | > 5

A. (-5, ?)

B. (-5, 5)

C. (-?, -5) ? (5, ?)

D. (5, ?)

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Define the variable expressions and simplify.The height of a box is 9 inches longer than the width. The length is 3 inches shorter than triple the width. Let w be the width. Give the sum of the height, width, and length.

A. 5w + 12 B. 4w + 6 C. 5w + 6 D. 13w - 3

Mathematics