The water was pumped out of a backyard pond. What is the domain of this graph? A. Real numbers from 0 to 8
B. All integers less than or equal to 8
C. All real numbers less than or equal to 8
D. All positive real numbers

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?