Collect like terms.-15y - 9x - 6x

A. -30xy
B. -15y + 3x
C. -15y - 15x
D. -15y - 3x


Answer: C

Mathematics

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A. 88 m B. 117 m C. 103 m D. 100 m

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A. 90 B. 11 C. 43 D. 47

Mathematics