Completely factor the polynomial or state that the polynomial is prime.x2 - 81

A. (x + 9)(x - 9)
B. (x - 9)(x - 9)
C. (x + 81)(x - 81)
D. (x2 + 9)(x2 - 9)


Answer: A

Mathematics

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Set up the iterated integral for evaluating   Dover the given region D.D is the right circular cylinder whose base is the circle  in the xy-plane and whose top lies in the plane .

A.
B.
C.
D.

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A.

B.

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D.

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A. (-7, -2) ? (6, ?) B. (-7, -6) ? (2, ?) C. (-?, 6) ? (2, 7) D. (-?, -7) ? (2, 6)

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