20) use the distributive property to factor the expression. 10xz − 20yz a) z(10x − 20y) b) 10(xz − 2yz) c) 10z(x − 2y) d) xyz(10 − 20)

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.