Asap
need steps for either one

Use set buikder notation to represent the following set: {, -2, -1, 0}

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

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?