Mathematics, 09.02.2021 16:20 alizeleach0123

A rectangle has one side that measures 3x + 1 and another that measures 4y + 3. Keith says that the perimeter of the rectangle is 3x + 4y + 4. What is Keith's mistake and what is the correct perimeter of the rectangle?

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A rectangle has one side that measures 3x + 1 and another that measures 4y + 3. Keith says that the...