Which equation can be solved by using this system of equations? y=3x5 - 5x3 + 2x2 - 10x+4
y= 4x² + 6x3 - 11

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.