Give at least two reasons why drawing a diagram is when solving a problem

Which of the following best describes the delian problem?

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

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?