Jon's test grades are 67, 75 , 73 and 69. what does he need to make on his next test to have a 73 average?

In the diagram of circle a what is m

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 ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10