Answer:
y = 

Step-by-step explanation:
Use the points (9, 5) and (6, 1) to identify the slope of the graph
=
m = 
m = 
m = 
The y-intercept is -7 because -7 touches y axis causing it to be the y-intercept
Answer:
11 minute
Step-by-step explanation:
22 min/2 miles
11 min/ 1 mile