Can some one help me with this

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?

Which of the following graphs could represent a cubic function?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42