Mrs. Harris ordered 6 pizzas for her son's birthday party. The total cost of the pizzas not including delivery or tax was $53.94. Each pizza cost the same amount. Which equation represents the proportional relationship between y, the total cost of the pizzas, and x, the number of pizzas?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36