Plz help has to be done by no later then 11:50 will give brainliest

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?

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

What’s -11-33k and factor each expression completely