Combine like terms when possible. -2y - 6y

A. 12y
B. 8y
C. -8y2
D. -8y

Answer: D

Mathematics

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Solve the problem.Suppose that f is continuous and that and   Find 

A. -35 B. -7 C. 35 D. -5

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Factor completely.6x2 + 5x - 6

A. (3x - 2)(2x + 3) B. (6x - 2)(x - 6) C. (6x - 2)(x + 3) D. (3x + 2)(2x - 3)

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Mathematics

Translate the word statement into a percent proportion. Do not solve.What percent of 59 is 6?

A.  = 
B.  =  
C.  = 
D.  = 

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Solve using artificial variables.Maximizez = 4x1 + 6x2subject to:2x1 + x2 = 12 2x1 + 2x2 ? 20 2x1 + 2x2 ? 24 x1 ? 0, x2 ? 0

A. Maximum is 72 for x1 = 0, x2 = 12 B. Maximum is 48 for x1 = 12, x2 = 0 C. Maximum is 68 for x1 = 2, x2 = 10 D. Maximum is 56 for x1 = 2, x2 = 8

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Mathematics