Find the interval of convergence of the series.
A. -5 < x < 9
B. - 
< x < 
C. -5 ? x ? 9
D. 1 ? x < 3
Answer: D
Mathematics
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Find the least common multiple of the pair of polynomials. r2 + 8r + 16, r2 - 16
A. (r - 4)(r + 4) B. (r - 4) (r + 4)2 C. (r + 4) (r - 4)2 D. r(r + 4)2
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Solve.Find the exact circumference of the circle. Then use the approximation 3.14 for ? and approximate the circumference.
A. 16? mi, 50.24 mi B. 8? mi, 25.12 mi C. 64? mi, 200.96 mi D. 16? mi, 50.4 mi
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Write the binomial expansion of the expression.(2x2 - y)5
A. 32x10 - 80x8y - 80x6y2 - 40x4y3 - 10x2y4 - y5 B. 32x10 - 80x8y + 80x6y2 - 40x4y3 + 10x2y4 - y5 C. 32x10 + 80x8y + 80x6y2 + 40x4y3 + 10x2y4 + y5 D. -32x10 + 80x8y - 80x6y2 + 40x4y3 - 10x2y4 + y5
Mathematics
Find the slope of the line.
?
?
A. 
B. 
C. 
D. 
E. 
F. 
Mathematics