What is (5)(3)(6) what is the answer for this tbh i dont know

How do you solve a question like this?

Use the distance formula to find the distance between (-3,5) and (3,1)

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62