No. 1 Given are the vertices of ∆ABC: A (–3; –3); In (5; –7); C (7; 7). 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 the 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 Find the point On the intersection of the diagonals of the quadrangle ABCD; if A (–1; –3); B (3; 5); C (5; 2); D (3; –5).