BRAINIEST ANSWER!!! Help please if you’re good at math :)

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

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.

Which is the graph of the linear equation x – 2y = 6?