For each table, answer: What is the constant of proportionality?

Answer:
It would be a=1 b=7, a=1 b=120, a=1 b=25, a=1 b=2.5
Step-by-step explanation:
Here you can see that 2 = 14 now if u think about it u can just divide 14 and 2 which you will get 7 which means a=1 and b=7 now for the other questions its all the same just divide