Answer:
3
Step-by-step explanation:
its so easy all you have to do is 12-9=3
The y-intercept represents the flat charge to hire the plumber
Explanation: The y-intercept is 0 hour, which can represent flat charge
Answer:
You would have to add the expression so we know what you're talking about.
Any multiple of those numbers is equivalent though.
Step-by-step explanation:
Answer:
The answer is the second one
