If you run a mile in 12 minutes, how fast are you running in miles per hour?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Plzzz answer both questions and i will give you 100 points