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The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?
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Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab
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Write an expression that shows 3 more than 5 times a number
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Which number is composite?...
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