- 7(5k – 4) =
Please help my teacher did not teach us this.

Answer this question only if you know the answer! 30 points and

Find the quotient. 50a2 – 98b2 -5a +7b

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?