Some one can me about the hodge's conjecture

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?

One-fourth of a number is 14. find the number.

Which lists all the integer solutions of the inequality |x| < 3?