Me find the surface area ! ive been struggling doing these kinds /: (brainliest will be given out! ) < 3

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.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?