Please help me .only answer if you know

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)

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?