Which proportion could be used to find the length of side b?

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

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