Everyday applications for pythagoren theorem

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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?

Afootball is throw by a quarterback to a receiver