Donna bought 6 CDs that were each the same price. Including sales tax, she paid a total of $84.60 . Of that total $4.20, was tax. What was the price of each CD before tax?

What is the slope of a line that is perpendicular to y = 3x + 1

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12