What is the distance between (-2, 6) and (-2, -1)

7 units

Step-by-step explanation:

(-2,6)=(X1,Y1)

(-2, -1)=(X2,Y2)

now ,

distance=√{(x2-x1)^2+(y2-y1)^2}

=√{(-2+2)^2+(-1-6)^2}

=√49

=7 units

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