I have a question about 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 graph represents the function f(x)=4[x]?

If bill bought a home for $210,000 and he sold it a year later for $120,000 his percentage of loss is