3x²y and (-7xy²) are terms that are

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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?