9000106608

Determine whether the following two lines are identical, parallel, intersecting or skew. $$\begin{array}{rlrlrlrl}p:& x=2,& q:& x=\phantom{1}-s,& & & & \\ & y=2+t,& & y=4,& & & & \\ & z=3;t\in \mathbb{R},& & z=1-s;s\in \mathbb{R}& & & & \end{array}$$