Mr. daniels has 1 2/3 acres of land in which she plans to fertilize if each bag of fertilizer covers 1/9 of an acre and he bought 20 bags how much will he have left over

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !