Determine which of these illustrates two quantities that combine to make 0. a) latanya lost ten pounds and then gained six pounds. b) a business's profit if its income is more than its expenses. eliminate c) it is twenty degrees below zero and then the temperature rises ten degrees. d) marty gets ten dollars for his allowance and then spends ten dollars at the movies.

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.