The volume of a cube is 64 Inches-cubed. What is the measure of each side of the cube ??

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

Can someone tell me if this is perpendicular? !

Find the domain and range of the following function f(x) = 51x - 21+ 4