Abus leaves at 10 am to take students on a field trip to a historical site. at 10: 25 am the bus is 100 miles from the site. at 11: 15 am the bus is 65 miles from the site. the bus travels at a constant speed. write and equation in point-slope form that relates the distance (in miles) from the site and the time (in minutes) after 10 am. how far is the bus from the site at 11: 30