Which expression is equivalent to a+(C+7)? o Zac O a-(C+7) O (C+7)-a 0 (a+C)+7 Save and Exit Mark this and return

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

6 equilateral triangles

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