Simplify the radical. Assume that all variables represent nonnegative real numbers. 

A. x10
B. x9
C. x8
D. x9

Answer: B

Mathematics

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Solve the problem.At about what velocity do you enter the water is you jump from a 15 meter cliff? (Use g = 9.8 m/sec2.)

A. 17 m/sec B. 2 m/sec C. -8.5 m/sec D. -17 m/sec

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Solve the equation. + x = 4

A. x = 11
B. x =  
C. x = 1
D. x =  

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Find the zero of f(x).f(x) = x + 

A. - 
B. - 
C.
D.

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Factor completely. If a polynomial cannot be factored, say it is prime.xy - 2yz + 10x - 20z

A. (y - 2)(x + 10z) B. (y + 10)(x - 2z) C. (y + 2)(x - 10z) D. (y - 10)(x + 2z)

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Mathematics