The ruiz family is exchanging euros for us dollars the exchange rate is 1 euro equals 1.3 5261 usd since the ruiz family knows that usd are stated to the nearest hundredth of a dollar, they used the conversion ratio. will this give the ruiz family the correct exchange?

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

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Secant be and cf intersect at point d inside a what is the measure of cde