Billy bought 31 CDs for $18. What is the cost of one CD

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?