Determine whether the sequence is geometric.an = 10n-1
A. Geometric
B. Not geometric
Answer: A
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Solve the problem.A bird flies from its nest 2 km in the direction 1° north of east, where it stops to rest on a tree. It then flies 5 km in the direction 3° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the telephone pole located?
A. (-4.993, -0.2617) B. (2.000, 0.03490) C. (-2.993, -0.2268) D. (6.031, -1.019)
Rationalize the numerator and simplify. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Write a general term an for the sequence. Assume that n begins with 1.1 ? 5, 2 ? 6, 3 ? 7, 4 ? 8, 5 ? 9, . . .
A. an = n + 4n B. an = n(n - 4) C. an = n(n + 4) D. an = n(n + 5)
Write an equivalent expression without using parentheses.-(-8x + 6y - 12z)
A. -8x + 6y - 12z B. 8x + 6y - 12z C. 8x - 6y + 12z D. 8x - 6y - 12z