Find the first term and the common ratio of the geometric sequence.
, 
, 
, 
, 
, . . .
A. a1 = 
, r = 
B. a1 = 
, r = 6
C. a1 = 
, r = 
D. a1 = 
, r = 2
Answer: C
Mathematics
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A. 5 B. -5 C. -4 D. 4
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Evaluate the expression.(-4)4
A. 256 B. -256 C. -16 D. 16
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Simplify. Assume that all factors of the radicand are nonnegative.
A. 
B. 
C. 
D. already simplfied
E. none of these
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Determine the dimensions of a rectangular solid (with a square base) with maximum volume if its surface area is 529 square meters. ?
A. Dimensions: 
B. Dimensions: 
C. Dimensions: 
D. Dimensions: 
E. Dimensions: 
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