if f(x)= 2x/x-7, then determine the value of f^-1(4) explain or show how you arrived to your answer please show work too

The volume of a cube is 8 in to the 3rd power. how long is each side?

Maryann’s friends loved her bulletin board, and 4 of them asked her to make one for their homes. she offered to make each of her friends a replica of her bulletin board that measures 2 meters by 3 meters. how many kilograms of burlap should maryann collect to complete the bulletin boards for her friends? maryann should collect kg of burlap.

The base of a solid right pyramid is a square with an edge length of n units. the height of the pyramid is n - 1 units. sia (n-1 n