What is the interquartile range of the following data set 45 12 48 96 61

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

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.