Mathematics

Mathematics, 18.08.2019 07:40, QueenNerdy889

The students in mr. nolan's class are writing expressions for the perimeter of a rectangle of side length l and width w. after they share their answers, the following expressions are on the board:
sam: 2(l+w)
joanna: l+w+l+w
kiyo: 21+w
erica: 2w+21

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