What is the length of Line A B?

On a coordinate plane, point A is (negative 4, 3), point B is (2, 3), and point C is (2, negative 1).
4 units
5 units
6 units
7 units

ok

step-by-step explanation:

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