Idon’t understand how i am supposed to answer this

The solution set for 5v2 – 125 = 0 is

Which of the following tables represents exponential functions?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.