Which set of angles can form a triangle? A: 2 acute and 1 right
B: 1 acute and 2 obtuse
C: 1 acute, 1 right, and 1 obtuse
D: 1 acute and 2 right

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

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?