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

A. 5
B. 5y8
C. 25y4
D. 5y4

Answer: D

Mathematics

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A. - 
B.
C. -1
D. - 

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Find (t) for the function given.

r(t) = 2i+sintj+costk

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Simplify the algebraic expression by collecting and combining like terms.(6x + 3) - (4x - 4)

A.
B. - 3
C. 9
D. - 

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Factor the polynomial completely.250k3m - 16m4

A. (10km - 4m2)(25k2 + 4m2) B. 2m(5k + 2m2)(25k2 - 10km + 4km2) C. 2m(125k - 2m)(k2 + 10km + 4m2) D. 2m(5k - 2m)(25k2 + 10km + 4m2)

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