What the hell! I’m too stupid for this

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

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 ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.