Use the power rule and the power of a product or quotient rule to simplify the expression.(3a)3

A. 27a3
B. 9a3
C. 27a
D. 9a


Answer: A

Mathematics

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A. 7e B. e7 C. ln 7 D. 10,000,000

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Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 - 12x - 8y = -3

A. (h, k) = (-4, -6); r = 49 B. (h, k) = (-6, -4); r = 49 C. (h, k) = (6, 4); r = 7 D. (h, k) = (4, 6); r = 7

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Simplify.122 + 6 ? 11 - (11 + 2 ? 2)

A. 195 B. 203 C. 1635 D. 184

Mathematics