Layla collects postcards. she has 7 post cards from europe. her postcards from europe are one third of her total collection how many postcards in all does she have

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.

Factor the polynomial by its greatest common monomial factor.

Pls what is the relative minimum of the function? enter your answer in the box