Linda bought 3 CDs that were each the same price. Including sales tax, she paid a total of $49.20. Of that total, $3.60 was tax. What was the price of each CD before tax?

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

How many $20 bills do you need to have to make $280