Please capitalize where necessary: main image belongs to chicago 2016 licensed under these terms. the text description is extracted from wikipedia (rhythmic gymnastics) and licensed under the gfdl.
A: Main image belongs to Chicago 2016 licensed under these terms. The text description is extracted from wikipedia (Rhythmic gymnastics) and licensed under the GFDL.

Please capitalize where necessary: what does reduce do?
A: What does reduce do?

Please capitalize where necessary: 13 i set in the lower places behind the wall in exposed places, i even set the people, according to their families, with their swords, their spears and their bows.
A: 13 I set in the lower places behind the wall in exposed places, I even set the people, according to their families, with their swords, their spears and their bows.

Please capitalize where necessary: with one-click, join a video meeting through hangouts and share your slides to review as a team.
A:
With one-click, join a video meeting through Hangouts and share your Slides to review as a team.