If a country has a low GDP, it
A. produces a low number of goods each year, resulting in an economically rich nation
B. produces a high number of goods each year, resulting in an economically poor nation
C. produces a high number of goods each year, resulting in an economically rich nation
D. produces a low number of goods each year, resulting in an economically poor nation
Please select the best answer from the choices provided.
ТОА

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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The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form