hi everyone can you tell i'm i right and also can anyone help in explaining please and also dont forget youre beautiful of world lovely kind hot

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.

If g^-1(x) is the inverse of g (x) which statement must be true

If f(x)=x+7 and g(x)=1/x what is (fog)(x)