Step-by-step explanation:
length = (2x + 3) units
width = (x - 7) units
Area = 2( length × width)
Area = 2( (2x + 3) × (x - 7) )
Area = 2( 2x² - 14x + 3x - 21)
Area = 2 ( 2x² -11x - 21)
Area = 4x² - 22x - 42
To find out the thickness of each book you would have to divide 135 inches by 60 to get 2.25 .
135 ÷ 60 = 2.25
so the answer would be A
Answer:
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Answer:
x = -2 & x = 1
Step-by-step explanation:
