If U = {1,2,3,4,5,6,7,8,9,10,11,12} , A = {2,4,6,8,10,12} and B = {1,3,5,7,9,11} show that A U B = B U A = U. ​

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

41/17 as a decimal rounded to the nearest hundredth

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?