If you paid $5.00 for 10 hamburgers what is the price dor one

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

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?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122