does a 20% discount on the original price of an item, followed by the use of a 10% off coupon, results in a total discount of 30%.

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

Answer this question! 30 points and brainliest!

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?