What is 90x25?? Subject: mathematics

Can someone pls ! pls answer all. no explanation needed..

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.

Which diagram shows lines that must be parallel lines cut by transversal?