Come to of India... It's really awesome guys... There are millions of users and frnds... :)

You can model the population of a certain city between 1955-2000 by the radical function p(x)=55,000 sqrt x-1945. using this model, in which year was the population of that city 220,000

Anyone know? is appreciated! will mark brainliest if correct!

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?