The table gives predictions of the average costs of a gasoline car after the year 2030.
Gasoline car
Time (years) Cost (thousands of dollars)
0
35
5
40.2
10
46.3
15
53.2
20
61.2
Which graph best represents the relationship between time and the predicted cost?
Choose 1

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