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 = 
Answer: A
Mathematics
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Find the reciprocal.0
A. -1
B. 0
C. 
D. The number 0 has no reciprocal.
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Solve the problem.The diagram below shows a rope connecting the top of a pole to the ground. How tall is the pole? Round your answer to one decimal place.
A. 17.3 yd B. 150.5 yd C. 2.6 yd D. 30.8 yd
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Solve the equation using the multiplication property of equality.8x = 48
A. {40}
B. {6}
C. 
D. {384}
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Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.3 + 6 + 9 + . . . + 21
A. 
B. 
C. 
D. 
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