The sum of two numbers is 50. One number is 10 less than three times the other number. What are the two numbers? ОА.
25 and 25
OB.
45 and 5
OC.
15 and 35
OD.
40 and 10
OE. 20 and 30

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)

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?