Check all the apply. if cos8 = 15/17, then:

you would have to sell 24 bracelets.

step-by-step explanation:

84/3.5 = 24

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

thats not a system of equations, that is a solution

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)