Hello, please see attached picture and answer the problems shown below. Please show your detailed work and write legibly!! :) Thank you so much and if you have any questions, don't hesitate to ask!!! Please, underneath each, also explain how you went about doing the problem!!

1 : Write the equation of the plane parallel to the plane 3x - y + 7z = 16 and containing the point P = (5, 1, 3) 2 : Write the equation of the plane orthogonal to the line (1 (t) = (3t + 1, -7 +2, -2t + 1) and containing the line 12(s) = (-s + 2, 3s + 1, -3s + 4) 3 : Describe the set {(x, y) | x +y'