Heelp(i made a written one if you cant see this picture really well)

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?