PLease help im in a test!!
in attachment

Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?