Square root 3 - square root 6 all over square root 3 + square root 6

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.

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?