Simplify each expression.
(4 - 4r2) - (4 - 3r2)...
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Mathematics, 21.06.2019 18:30
The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.
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Mathematics, 21.06.2019 22:30
The area of a circle is equal to 1 dm². find the radius of the circle.
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