This is a Mathematical question. If you need to draw graphs, please do it. Thank you so much!

(a) [3pt] Determine the equation of the line which passes through the points (4, 3) and (1, 2). (b) [3pt] Determine the equation of the line which is parallel to the line 3x + y = 5 and passes through (2, 1). (c) [3pt] Determine the equation of the line which is perpendicular to the line 3x 2y 2 1 and passes through 5, 3). (d) [2pt] Determine the equation of the line which is a vertical line passing through 2 7,7)