Examine this system of equations. What integer should the second equation be multiplied by so that when the two equations are added together, the x term is eliminated? Three-fourths x + StartFraction 1 Over 7 EndFraction y = 6 StartFraction 1 Over 8 EndFraction x minus three-fifths y = 16

Every rhombus is a square. true false

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

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.