You place a cup of 200of coffee on a table in a room that is 67of, and 10 minutes later, it is 195of. approximately how long will it be before the coffee is 180of? use newton's law of cooling

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.