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
Mathematics
Simplify. Assume that no denominator is zero.(-3p3q3r3)3
A. (-3)3p9q9r9 B. (-3)3p6q6r6 C. (-3)9p9q9r9 D. -9p6q6r6
Mathematics
Express in terms of i.
A. -2i
B. 2
C. -2
D. 2i
Mathematics
Subtract:
A) 23
B) 19
C) 10
D) 9
E) 7
Mathematics