At T. J. Maxx, keychains are sold individually. The cost y of keychains is represented by the equation y = 0.95x . The costs of keychains at Marshalls are shown in the table below. Where do the keychains cost?

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

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

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9