Multiple the following: 1.) (-3x)(3x)2.) (4x)²3.) x (x+4)4.) (x+2)²5.) (x+3)(x-4)6.) x² (x²+2x-4)

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Solve this problem! extra ! 3025/5.5 = a/90.75

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?