What is the result of subtracting the second equation from the first?
-4x-2y=-2
x-2y=9

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)

Name the most appropriate metric unit for each measurement

What is the measure of angle afe? 79 81 91 99