Please please i need help please friends :(

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)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4