Determine whether the sequence is arithmetic. If the sequence is arithmetic, determine the first term a and common difference d.5, -15, 45, -135, 405, . . .

A. Arithmetic; a = 5, d = -10
B. Not arithmetic


Answer: B

Mathematics

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Find the absolute value of the quantity.15 - 15

A. 30 B. 15 C. -15 D. 0

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Simplify. Assume that no denominator is zero.(-3p3q3r3)3

A. (-3)3p9q9r9  B. (-3)3p6q6r6 C. (-3)9p9q9r9  D. -9p6q6r6 

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Express in terms of i.

A. -2i
B. 2
C. -2
D. 2i

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Subtract:



A) 23
B) 19
C) 10
D) 9
E) 7

Mathematics