Probably gonna make myself look unsmart, xd

an example of a quadrilateral with at least one pair of parallel sides is a
a. square
b. rectangle
c. parallelogram
d. rhombus
e. all of the above

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

point m is on plane r