PLEASE HELP WHAT IS 10 PLUS 10 I ACTUALLY DONT KNOW IM BEING SERIOUS STOP.

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)

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side