Which of the following situations can be modeled with an exponential function? The number of fish in a tank increases by five per month. The number of people in a city increases by 100 every year. The value of a car at the end of a year is 8 percent less than the value at the beginning of the year. The value of a phone drops $100 per year.

What situation is an example of an observational study

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 many 2/5s are in 1 and 1/2 plz someone me right now