Which expression is equivalent to 4 ( x + 1 ) - 7 ( x + 3 ) ? a. 11x+25 b. 11x-17 c. -3x-17 d. -3x+25

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?