The endpoints of a diameter of a circle are at (7, -5) and (3, -13). what are the coordinates of the center of the circle?

Is this a polynomial function? i need to know asap

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

Triangle abc was translated 2 untits to the right and 3 units down. write the algebraic rule that describes the translation that was applied to triangle abc to create triangle a'b'c'.