What is 20 x 3-4 + 80 / 988 + 444444 x 343

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

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

The measure of an angle is 117°. what is the measure of a supplementary angle?