Question

Hey one more for my friend :)

Answer 1

The third graph

Explanation:

The third straight graph, since a proportion is a relationship in which a second variable is changed by a same value all the time (linear).

Hope this helps, if not, tell me and I shall try again

Answer 2

Third graph from the top

Explanation:

A proportional relationship is a straight line that goes through the point (0,0)