The Value of 3^4 + 5 . 5= ___. please help

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)

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Through non-collinear points there is exactly one plane.