No. 1 Given the peaks of ABC: A (4; 1); In (–3; –1); C (7; –3). Find: a) The equation of the side AB; b) Equation of height CH; c) the equation of the median AM; d) the point N of the intersection of the median AM and the height of CH; d) the equation of a line passing through the vertex C and parallel to the side AB; e) the distance from point C to line AB.
 
№2 Given a triangle with vertices A (3; 1); B (–3; –1) and C (5; –12). Find: an equation and calculate the length of its median; drawn from top C.