3x + 4y = 12
x + 2y = 10
substitution method

steps

Whose conclusion is correct? choose all that apply. (two max) elijah emily edward esme

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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.