How many rectangles can you make out of 18 cubes?

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)

Write the fraction or mixed number and the decimal shown by the model

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?