When full, the gas tank if a car hold 15 gallons. it now contains 12 gallons. what percent represents how full the tank is?

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)

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

If 25% of y is 30, what is 60% of y?