{7TH GRADE} Create four (4) problems that include fractions. Solve the problems using estimation. Each problem must contain:
at least three (3) fractions
two (2) must include addition of fractions
two (2) must include subtraction of fractions.
an explanation of your reasoning process for each problem

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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 graph represents the linear function below? y-3=1/2(x+2)