WILL GIVE BRAINLIST IF U ANSWER!! Arden had been working out by lifting weights. he finds a spherical lead weight with a radius of 3 inches and a weight of 20 pounds. he wants to get a similar weight that weighs 100 pounds. what radius should his new weight have? use 3.14 for pu and round your answer to the nearest whole number

What is the value of x in the diagram below?

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

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