The collection of all input values is the ___ of the function ?

Find the values of the variables in the kite

Find the dimensions of the circle. area = 64π in.² r= in.

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?