.f answers are given with no work shown, there is no credit. 13.-16. In a survey of 63 people, it was found that 33 use Facebook, 34 use Twitter, and 28 use Pinterest. Also 17 use both Facebook and Twitter, 11 use both Pinterest and Twitter, 15 use both Facebook and Pinterest, and 7 use no social media at all. For each of the eight regions partitioning the Venn diagram below indicate the number of people in each of the regions. Show your work. No credit given for answer without showing your work. Facebook Twitter Pinterest Answer: Indicate the number of people in each region: Region 1: Region 2: Region 3: Region 4: Region 5: Region 6: Region 7:_ Region 8