Which of the following sets of points are reflections of each other across the y-axis?
a. (-5, 6) → (5, -6)
b. (-5, 6) → (6, -5)
c. (-5, 6) → (5, 6)
d. (-5, 6) → (-5, -6)

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 circumference of the pie

Which math statement does not contain a math variable ?