71/2 x 9 1/8 and i will give brainliest if best answer and do fraction and not decimal.

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?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

Charlie tosses five coins. what is the probability that all five coins will land tails up.