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Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2