Find an equation for the circle that goes through the points (9,2) , (-1,12), and (-9,-4). Put your final answer below and upload an image of your work in the next field. *Show your work*

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?