I need help on the question up here

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

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)