What's is the slope of the line? please answer​

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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)

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles