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Remove Parentheses and Simplify

Question 343

Multiple Choice

Remove parentheses and simplify.
--4.9(9r + 9) + 3.9(5r + 7)


A) -24.6r + 9
B) -88.2r
C) -24.6r - 16.8
D) 4.1r + 4.1

Correct Answer:

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