Answer:
1
Step-by-step explanation:
m [slope] = ∆y/∆x = y₂-y₁/x₂-x₁
m [slope] = 9 - 6 / 4 - 1 = 3 / 3 = 1
The equation for this relationship is
y = x + 5
Use a calculator yo help you get it
This problem states that an overseas telephone call costs 0.36 cents per minute. They spend 6 minutes on the call.
All you have to do is multiply 0.36 cents on 6 minutes.
Your answer is $2.16
Hope this helped! :D