Help needed, thanks :)

When are two distinct non vertical lines parallel

Name the most appropriate metric unit for each measurement like a length of an carrot

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.