Can somebody help me please #1

Answer:
See below.
Step-by-step explanation:
a. Choose any 3 non-collinear points on the plane. For example, plane R can be described as plane OSQ.
b. "Collinear" means points that lie on the same line. Example: M, N, P (note that the line these points are on does not lie in plane R)
c. [tex]\overrightarrow{NM}[/tex] and [tex]\overrightarrow{NP}[/tex]
d. There are many. Examples: O, N, Q, S. Not M. Not P.