5 The angle 0, is located in Quadrant III. and cos (0)=
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what are ur choices?

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

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !