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The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Write as a product: ac^2–ad+c^3–cd–bc^2+bd