Square root x = 10 but what does x equal

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

How many square feet of outdoor carpet will we need for this whole?

Acircular swimming pool is 24 ft in diameter what is the circumference of the swimming pool