What is the mean and MAD of this data set?

What would the rule be for the reflection of y=-3

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

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?