PLEASE HURRY Use a graphing utility to find the point of intersection, if any, of the graphs of the functions

How do you find principle and simple interest

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?

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?