Simplify the expression.

quantity cosine of x to the power of two plus sine of x to the power of two divided by quantity cotangent of x to the power of two minus cosecant of x to the power of two.

answer: for each 3 girls there is 2 boys . 3: 2

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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