Simplify the algebraic expression by collecting and combining like terms.-6.1(3r + 9) + 4.9(5r + 8)
A. 6.2r - 15.7
B. -73.2r
C. 6.2r + 9
D. -3.1r + 2.9
Answer: A
Mathematics
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A. 2 ? 2 ? 3 ? 3 ? 35 B. 2 ? 2 ? 3 ? 3 ? 5 ? 7 C. 2 ? 2 ? 2 ? 3 ? 5 ? 5 D. 1 ? 4 ? 5 ? 7 ? 9
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What will be an ideal response?
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Factor.121x4 - 16y6
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Mathematics