For every 50 emails that nick sent in a month, he received 30 emails. what is the ratio in simplest form of the number of emails sent to the number of emails received by nick that month? a.5: 2 b.3: 5 c.2: 5 d.5: 3

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

What is the difference between the equations of a vertical and a horizontal line?

Answer pls man im trying to get out of summer school