Help please! I don't understand how to get the answer

Two lines that do not intersect are skew. always sometimes or never

Which statement about the graph of y = 8(0.25)^2

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.