When randomly choosing two cards from a standard deck of card without replacement, what is the probability of choosing a face and then an ace ?

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 is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.