Question

What is the constant of proportionality of

1. y=2.0+ 0.5x

2.y=75x
3.y=55x

4.y=320-15x

5. y= 15/60 x+30

6.y=2.25
7.y=5x+3

8.y=3-0.6x
9.y=15+ 1/2x
10.y=65x

Thank you, no fake answers or links.
please do at least 5 .-.

Answer 1

number 5 because it is on the more

Answer 2

I couldn’t add all my solotions but u can make another question so I can give it to u

Explanation:

But this are just the graph tell me if u need solutions