The school store sells 18 folders for $4.50. which is not a unit rate to describe this sale? 0.25 per folder 36 folders per $94 folders per dollar 3 per dozen

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong

What is the slope of the line (-7,2) (4,6)