Find the nth term an of the geometric sequence.an = 
; 3, - 
, 
, . . . .
A. n = 12
B. n = 7
C. n = 10
D. n = 5
Answer: B
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Solve the problem.Cindy wants to secure sequins on a piece of felt shaped like a trapezoid with a height of 11 cm and bases of 20 cm and 14 cm. What is the cost of all the sequins if sequins cost $0.70 per cm2 of coverage?
A. $31.50 B. $151.90 C. $130.90 D. $39.20
Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 = 16
A. (h, k) = (0, 0); r = 16 B. (h, k) = (0, 0); r = 4 C. (h, k) = (4, 4); r = 16 D. (h, k) = (4, 4); r = 4
Solve the equation by expressing each side as a power of the same base and then equating exponents.32x = 
A. 
B. {-5}
C. 
D. 
Simplify the expression. Assume that all variables are positive when they appear.
A. -6x2 B. 14x2 C. 36x2 D. not a real number