In a civil technology class in San Pedro Relocation Center National High School Main Campus, Kat learns a wood-chopping safety check that involves a making
circle with her arm extended, to ensure she will not hit anything overhead as she
chops.
If her reach is 19 inches, the hatchet handle is 15 inches, and her shoulder is
located at the origin, what is the equation of Kat’s safety circle?

How do i do this activity, is appreciated

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Triangle xyz has vertices x(1,3), y(0,0)