Which number would be an element of the set of whole numbers

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.

Simplify the expression 10/11(22z) + (a+5) -1

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples