Are the points A(-2, 3), M(4, -1) and R(-1, 7) the vertices of a right triangle?

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

b. hannah is playing with her cousin at

y=sec x is the correct answer

~batmans wife dun dun