Sound waves can be ranked by their intensity, I, given in the formula below, where r is the distance from the souro
output of P.
P= look at the picture
Solve the formula for the distance from the source, r

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.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?