· In 1912, Alberta license plates consisted of four digits. Each digit could be repeated, but the first digit could not be zero. By 1941, Alberta license plates consisted of five digits.
Each digit could be repeated, but the first digit could not be zero.
Compared with the number of Alberta license plates available in 1912, find the increase
in the number of license plates available in 1941.

What is the binomial expansion of (2x-3)^5

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

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?