-x(y+z) if x=4 y=-3 z=-5

Which of the choices shown could be used to prove that aacp=abcp ?

Pls the last one and it has to be like number 6

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?