What defines a circle ? (geometry) 1. two rays with a common enpoint
2. a piece of a line with two endpoints
3. a piece of a line with one endpoint
4. all coplanar points equidistant from a given point

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.