Find an equivalent expression without parentheses.-(-3x + 6y - 8z)
A. -3x + 6y - 8z
B. 3x - 6y + 8z
C. 3x + 6y - 8z
D. 3x - 6y - 8z
Answer: B
Mathematics
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Determine the reference angle for the given angle.? = 
A. 
B. 
C. 
D. 
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Add or subtract. Simplify your answer to lowest terms.
+ 
A. 
B. m - 5
C. m + 5
D. m - 6
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Find the requested function.If f(x) = x2 + 6x + 3, find f(x + h) - f(x).
A. x2 + 2xh + h2 + 6x + 6h + 3 B. 2xh + h2 + 6x + 6 C. 2xh + h2 + 6h D. 2xh + h2 + 6x + 6h
Mathematics