I need help with this

Which is equivalent to 450b^9 after it has been simplified completely

The table respent two linear functions the equation respented by the first tables is given

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?