Which of the ratios below has a unit rate of 20? Select all that apply.
A) 140:7
B) 280:14
C) 40:20
D) 60:3
E) 6:96
can earn 5 Cors

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

Add the fractions and simplify 1/2+ 1/3

Which of the following represents the range of the graph of f(x) below