The tiles that Bruce used were each of a square foot in area. The table shows the area covered by Felicia’s tiles in terms of the number of tiles used. Number of Tiles Area Covered (sq ft)
6 1
12 2
18 3
Bruce and Felicia want to know whose tiles cover the most area per tile.

Write an equation representing the area Felicia covered, y, in terms of the number of tiles she used, x.

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.