What number should be added two -77 to get a sum of 36

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

Simply 8x squared + 5(7x squared- x) - 2x =

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9