Answer: Marvin needs approximately 19 days to rent the car.
Step-by-step explanation:
Since we have given that
Amount Marvin get on a discount coupon = $25
She decided to buy insurance for each day.
Let the number of days be x
cost of insurance = $465
According to question, it becomes,

Hence, Marvin needs approximately 19 days to rent the car.
The slope would be 1/17 and then you would use that slope and plug it into the y=mx+b and solve for b
You are multiplying the 3x by 6 which means c is correct