7.167×10 with the power of 6

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)

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)