What is the sum of two numbers is 30. the sum of the greater number and three times lesser number is 53

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)

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4