6w-19+k when w=8 and k=2

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

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).