Which set of shapes contains members that are always similar to one another?
trapezoids
isosceles triangles
equilateral triangles
rectangles
pentagons

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.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?