Find the sum Sn of the first n terms of the geometric sequence. 5, 15, 45, 135, 405, . . . ; n = 13
A. 3,985,842
B. 3,985,805
C. 3,985,785
D. 3,985,807
Answer: B
Mathematics
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Find the derivative.y = 
A. 8x7 cos (x4) B. 1 - cos (x4) C. -sin (x4) D. -8x7 cos (x4)
Mathematics
Write the number as a Babylonian numeral.86,520
A. 
B. 
C. 
D. 
Mathematics
Solve. Give your answer as a mixed numeral.A snail is moving at 2
feet per minute. How far will it move in 3
minutes?
A. 7
ft
B. 6
ft
C. 6
ft
D. 6
ft
Mathematics
Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = 2?(S - r)
B. h = 
C. h = S - r
D. h = 
- 1
Mathematics