Combine like terms whenever possible.7x3 + 9x3 - 8x3

A. 8x9
B. 8x3
C. -504x3
D. Not possible

Answer: B

Mathematics

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Give an appropriate answer.Letf(x) = -8 andg(x) = -5. Find[f(x) - g(x)].

A. -4 B. -8 C. -3 D. -13

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Determine whether the function is one-to-one. If so, find a formula for the inverse.g(x) = 6x

A. g-1(x) = - 
B. g-1(x) = -6x
C. g-1(x) = 
D. Not a one-to-one function

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Multiply and simplify. ? 

A.
B.  
C.  
D.  

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Find the perimeter of the shaded triangle.

A. 32 yd
B. 27 yd
C. 64 yd
D. 26 yd

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Mathematics