The number of hours (h) of sunlight per day in Canada can be modeled by, h = 2.325sin π/6 (t-2.667) + 12.155

where t is measured in months and t = 0 represents January 1. On which days of the year are there 10 hours of sunlight in Canada?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out