Aportrait has dimensions of 30 inches by 40 inches and is surrounded by a frame of uniform width. if the total area (portrait plus frame) is 1496 square inches, find the width of the frame.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?