Which of the following sets of points is a direct variation? (0,0); (2, 4); (5, 15)
(0,0); (-1,-2); (1, 2)
(3,6); (-2, 4); (-1,2)
(0.5); (1, 6); (2,7)

Ican’t sorry i would if i could

If i think this is what your asking, he should look at the grams or pounds/ounces and compare the to their cost then max can identify which one is proportional and which is not ( i think xd)