What is the sum? 8+(-12)

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.

What expression is equivalent to log3(x+4)

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl