Solve the right triangle. Round decimals answers to the nearest tenth.

3^2 + x^2 = 9^2

9 + x^2 = 81

x^2 = 72

x = , which is about 8.5

Cosine X = 3/9

Cosine X = 1/3

angle x= 70.5

If angle x= 70.5, angle z = 19.5 degrees.

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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

9x