Assessment items on a piece of paper, use a protractor and a ruler to construct △abc with ab=6 cm , m∠a=80° , and m∠b=50° . what is ac ? a) 3 cm b) 6 cm c) 9 cm d) 12 cm

What properties allow transformation to be used as a problem solving tool

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

Solve the equation by completing the square. x^2+2x=17