Solve the problem.Because the area A of a circle whose radius is r is given by A = ?r2, it is possible to find the radius when the area is given as  Find the radius of the circle with an area of 1681? square centimeters.

A. 82 cm
B. 164 cm
C. 41 cm
D. 1681 cm


Answer: C

Mathematics

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A.

B.

C.

D.

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Factor completely. If the polynomial is prime, state so.56s3 + 7

A. 7(2s + 1)(4s2 + 2s + 1) B. 7(2s + 1)(4s2 - 2s + 1) C. 7(2s + 7)(4s2 - 14s + 7) D. 7(2s - 1)(4s2 + 2s + 1)

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A. Symmetric about the origin B. May or may not be symmetric about the origin

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