When evaluated, which expression has a result that is a rational number?

+ 6
-
× 0.25
÷

Find dy/dx using implicit differentiation ln(20+e^xy)=y

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

If sin(x) = 0 and cos(x) = 1, what is tan(x)?