Find the difference quotient if f(x) = x^2- 2x.

Fred bought 3 cd’s for $16.50 is this multiplication division subtraction or addition

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.