HELP PLS GIVING BRAINLIEST FOR CORRECT ANSWERS ONLY :) A pet store is having a pet fish sale. Mr. Green bought three bags of pet fish for his nephews. Each bag has mollies and one Bala. He also bought one box of fish food that cost d dollars. Write an algebraic expression to represent how much he paid in all

the mollies cost $2 each and the Bala cost $6

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

Combine like terms to make a simpler expression 3z+z

How can (square root of 25) ^2 be rewritten?