Could you help
Me with this question please:)

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Solve the inequality and graph 6j - 7 < 5

Which of the following is not a subset of {1,2,3}?