In 3/4 pound of Cake mix, there is 2/5 cups of flour. How much flour does the cake mix contain per pound?

For what value of (y) is 3^3/3^y =1/9

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale