The fuel gauge in Nick's car says that he has 26 miles to go until his tank is empty he passed a fuel station 19 miles ago and the sign says that there is a town only 8 miles ahead if he takes a chance and drives ahead to the town and there isn't fuel station any more does he have enough fuel to go back to the last station

  No

Step-by-step explanation:

The distance from Nick's current spot to the town ahead and back to this spot is 2·8 = 16 miles. Additionally, it is 19 miles back to the gas station, so a total of 35 miles to the gas station via the town ahead. Nick does not have enough gas for that.

If there is no gas in the town ahead, there will need to be a station within 18 miles further on, or Nick will be walking 9 miles to the station he just passed.

the 3rd on is correct

step-by-step explanation:

i think the answer is b