HELP PLZZZ I need this done soon

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)

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u