Answer = 0
-1(-1)=1
1 + -1 = 0
Well im guessing it the average highway speed 60 mph so it is $7
Answer:

Step-by-step explanation:
Point slope form:

<em>Note: </em>
- <em>m represents the slope</em>
- <em>(x1,y1) represents the coordinate point</em>
Our answer would be 