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The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !