Answer:
the correct awnser is C
Step-by-step explanation
The relationship is proportion if y/x is constant.
So it is C because 12/4 = 15/5 = 18/6 = 3.
C.
Step-by-step explanation:
I thinks is c hope this helps
God Bless
4 : 2: 1
The first one is right the rest of them is not right correct