If phone A, length is 5.4 in and it’s width is 2.6 in and phone B, length is 6.21 in. and the lengths and widths of the two cell phones are proportional what is the width of phone B

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?