Hi someone please help

Asquare parking lot has 6,400 square meters what is the length in meters

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.

How many 2/5s are in 1 and 1/2 plz someone me right now