Solve 400 = 8b + y for y

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?