Evaluate the expression.5x - y, for x = 3 and y = 15

A. 72
B. 0
C. 4
D. 30


Answer: B

Mathematics

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A.
B. 2
C.
D.

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Fill in the blank(s) with the appropriate word(s).

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Use an associative property to rewrite the algebraic expression. Once grouping has been changed, simplify the resulting algebraic expression.4(9x)

A. (4 ? 9)x; 36x B. (4 + 9)x; 4 + 9x C. (4 ? 9) + x; 36 + x D. (4 ? 9)x; 36

Mathematics