-10x + 1.5 because you get rid of the parenthesis so -2 times 5 is -10 ( -10x ) and then -2 times -0.75 equals positive 1.5 due to two negatives canceling out to positive hope this helped!
Answer:
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Step-by-step explanation:
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A=h/2(a+b)
A=h/2a+2b
A(2a+2b)=h
