Find the area of the polygon.

A. 34.5 m2
B. 69 m2
C. 17.25 m2
D. 7.25 m2

Answer: C

Mathematics

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Solve the formula for the specified variable.F = C + 32 for C

A. C = (F - 32)
B. C = 
C. C = 
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Solve the system using Gaussian elimination. -4x - 9y =   1-20x - 45y =  -1

A. {(1, -1)}
B. {(5, 5)}
C. {(x, y) -4x - 9y = 1}
D. ?

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Factor.x4 - 14x2 + 49

A. (x2 - 7)2 B. (x2 + 7)2 C. (x2 - 7)(x2 + 7) D. (x2 - 14)(x2 + 14)

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Simplify. (2mn5)2

A. 4m2n10 B. 4mn7 C. 2mn10 D. 4m2n7

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