Please answer ASAP.

4. A line passes through the points A(6,3) and B(-4,7). [5 marks] a) Write two different vector equations for this line. b) Convert one of the vector equations from (a) to a set of parametric equations. 5. Are the following lines parallel? Explain your reasoning. [3 marks] L125}: +2y8 = 0 L2: [any] = [2.3] + t[6,15] 6. Determine the parametric equations for each of the following lines. [3 marks] xel- +4 72 1.1: =3'_ 3 2 5 I._J.c1_y1_z1 2' 6 ' 4 ' 3