Kaia needs braces, which will cost $2,400. her insurance deductible is $1500, after which her insurance pays 80% of all costs. how much will kaia need to pay for her braces? a.$2,200 b.$1,680 c.$180 d.$480

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 does the relationship between the mean and median reveal about the shape of the data

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?