1.  How is the Earth's population changing? 2.  How many people are currently living on Earth?

3. What are some reasons why the population of the world increased so dramatically? Use examples.
4. Describe what you might find in a rural area.

5. Describe what you might find in a urban area.​

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

Which of the following tables represents exponential functions?

Which of these tables represents a non-linear function?