Simplify the expression. Write the result using positive exponents only.

A. x²⁰
B.

x⁷?

x¹⁵
D.

x²²

Answer: B

Mathematics

Determine if the series converges or diverges. If the series converges, find its sum.

A. diverges
B. converges;
C. converges;
D. converges;

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Mathematics

Graph the function.f(t) = cos

A.

B.

C.

D.

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Mathematics

Find the difference.18.7 - 14.08

A. 4.72 B. 4.62 C. 32.78 D. 33.78

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Mathematics

Insert parentheses where needed so that the expression evaluates to the given number.8 ? 18 ÷ 3 - 9; evaluates to 39

A. 8 ? (18 ÷ 3 - 9) B. (8 ? 18) ÷ (3 - 9) C. 8 ? 18 ÷ (3 - 9) D. 8 ? (18 ÷ 3) - 9

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Mathematics