When making a book cover, anwar adds an additional 20 sqaure inches to the surface area to allow for overlap. how many square inches of paper will anwar use to make a book cover for a book 11 inches long, 8 inches high, and 1 inch wide? (use surface area)

When making a book cover Anwar adds an additional 20 square inches of paper will Anwar used to make a cover for a book 11 inches 8 inches wide 1 inch height? ... What is the length of a triangle with an area of 18 square inches and a height ... A cylinder with a height of 10 inches and a diameter of 8 inches has a surface ...

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answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x