Can someone me i need the answer now

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.

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.

If wxyz is a square, which statements must be true?