75 yd
40 yd
What is the length of the hypotenuse.

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Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

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Dylan is evaluation the expression 13+19+7+10 at one step in his work, dylan rewrites the equation as 13+7+19+10 which property of addition must dylan have used when he evaluated the expression?