8 elephants plus 4 elephants equal

What is negative 3/9 times negative 2/8 ?

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

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?