Write the first five terms of the geometric sequence with a = - 2 and a fourth term of -54.
A. -2, -3, -21, -51, -165
B. -2, -6, -18, -54, -162
C. -2, -5, -8, -11, -14
D. -2, 3, -16, 51, -162
Answer: B
Mathematics
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Find the least common multiple.x2- 4x- 12, 3x- 18
A. 3(x + 2)(x - 6) B. 3(x - 2)(x + 6) C. 3(x - 2)(x - 6) D. 3(x + 2)(x + 6)
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,B = 
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Mathematics