Which value of b will cause the quadratic equation x2 + bx + 5 = 0 to have two real number solutions?

If the measure of xyz is 81 what is the measure of yz

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

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?