Identify the segment bisector of jk show work! i need answer asap also, these > "—" don't matter, they're just spacers. —— 7x+ 8x —— •|•|• j. m. k

Which expressions are equivalent to -6 + 3m

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 x = -2, then x 2-7x+10 equals a. 0 b.20 c.28