What is the percent of decrease from 10 to 3.2?

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.

In the rectangle below ac=30 units what is de

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?