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Answer:
B. -80x + 28y - 56
D. 4(-20x + 7y - 14)
Step-by-step explanation:
8(-10x + 3.5y - 7)
= 8(-10x) + 8(3.5y) - 8(7)
= -80x + 28y - 56
= 4(-20x + 7y - 14)