Find the discriminant and determine the number of real roots for each equation. -3p^2 - 2p = 0

The radius of a sphere is 3 inches. which represents the volume of the sphere?

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The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm