Me..
here are 4 linear equations

1. 3x+2y=10
2. -9x-6y=-8
3. y+1=2/3(x-6)
4. -5y=7.5x

which line is not parallel to the rest?

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.