How many does this have

When only separate discreet points are graphed it is called?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

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.