Write an equivalent expression in exponential form.log4  = -2

A. 24 = 
B. 4-2 = 
C. 41/16 = 2
D.  2 = 4

Answer: B

Mathematics

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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 

A. 0 B. -12 C. 1 D. -4

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Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A right circular cone with r = 10 cm, h = 5 cm (Use the formula S = ?r  + ?r2.)

A. 78.5 cm2 B. 157.0 cm2 C. 665.1 cm2 D. 314.0 cm2

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Factor by grouping.x3 + 8x2 + x + 8

A. (x2 + 1)(8x + 8) B. (x2 + 8)(x + 1) C. (x2 + 1)(x + 8) D. (8x2 + 8)(x + 1)

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Solve.4.82x - 0.58 = 0.44x + 17.816

A. x = 5.2 B. x = 0.43 C. x = 4.2 D. x = 0.42

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Mathematics