Marks ratio is 3 tablespoons sugar to 2 tablespoons milk. sharri is using 4 tablespoons of sugar to 3 tablespoons of milk. eva is using 9 tablespoons of sugar to 6 tablespoons of milk. which girl's ratio is equivalent to mark's?

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 f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Which expression shows the sum of the polynomials with like terms grouped together