Simplify the radical expression by factoring out the largest perfect nth power. Assume that all variables are positive.
A. 6x
B. 6x
C. 216x
D. 6
Answer: A
Mathematics
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Solve the problem.After a new firm starts in business, it finds that its rate of profits (in hundreds of dollars per year) after t years of operation is given by 
Find the profit in year 6 of the operation.
A. $12,100 B. $21,500 C. $31,200 D. $27,550
Mathematics
Find the nth term of the geometric sequence with the given values.a = 1215, r = - 
, n = 9
A. - 
B. 
C. - 
D. 
Mathematics
Describe the graph of the polar equation. r = 40 sin ?
A. Circle with radius 20 and center (0, 20) B. Horizontal line passing through (0, 40) C. Parabola opening upward with vertex at (0, 20) D. Ellipse centered at the origin with intercepts (±1, 0) and (0, ±20)
Mathematics
Write interval notation for the graph.
A. (-?, p] B. ( -?, p) C. (p, ?) D. [p, ?)
Mathematics