Answer:
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Step-by-step explanation:
1 cup of flour per 12 cookies
2x=24y
divide by 2 on both sides
x=12y
The answer is = −70s+63
7(1−10s+8)
=(7)(1+−10s+8)
=(7)(1)+(7)(−10s)+(7)(8)
=7−70s+56
=−70s+63
