Abox contains
5
plain pencils and
5
pens. a second box contains
5
color pencils and
7
crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected?

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

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year