Find the sum.

A. - 30 (1 - 7ⁿ)
B. - (1 - 7^n-1)
C. - (1 - 7ⁿ)
D. - 5 (1 - 7ⁿ)

Answer: C

Mathematics

Is the function graphed below one-to-one?

A. No B. Yes

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Mathematics

Find an equivalent equation in rectangular coordinates.r = 10 sin ?

A. x² + y² = 10y
B. = 10x
C. = 10y
D. x² + y² = 10x

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Mathematics

Multiply.

A. 62,475 B. 62,565 C. 62,465 D. 62,455

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Mathematics

Decide whether the statement is true or false.The circle with equation x2 + y2 = 9 has center at (3, 3).

A. True B. False

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Mathematics