The ideal gas law takes the form PV=NRT where P represents pressure, V represents volume, N represents number of moles of gas, R represents gas constant, and T represents temperature in kelvins.

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?

Find the distance between the point (-3,-4), and (see the picture below)

Y+ 2/y is it a polynomial in one variable or not? and if so, why?