Can someone help me with this please? Thank you! I will be giving brainliest as well by the way!

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 is f(5) for the function –2x2 + 2x - 3?

What percent of 18 is 24? and plz explain thx.