Initially, you have lost 20,000 dollars in the stock market and you continue to lose 350 dollars per month. In how many months will it be before your losses total 29360 dollars, thus your balance is - 29360?

Which system of linear inequalities is represented by the graph? !

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

How do you solve a question like this?