Which graph represents a function with a direct variation?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.