Brian’s employer withheld $15,987.76 in federal income tax. After completing his return, Brian has determined that his tax is $18,945.22. Will Brian get a refund, or does he owe the IRS and how much? Tax refund or owed = taxes paid – taxes due

the first one, all those points on the line just make a strait line.

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