How many times a year do you expect George to make 25 dollars

What can you determine about the solutions of this system

The cost of a taxi ride includes an initial charge of $2.00. if a 5km ride cost $6.00 and a 10km ride cost $10.00, determine the cost of a 15km ride.

What is the slope of the line? a. -5/2 b.2/5 c. 5/2 d.7/2