Please capitalize where necessary: he considered three discs r, s, and t as typical subsets of a set u. the intersections of these discs and their complements divide u into 8 non-overlapping regions, the unions of which give 256 different boolean combinations of the original sets r, s, t.
A: He considered three discs R, S, and T as typical subsets of a set U. The intersections of these discs and their complements divide U into 8 non-overlapping regions, the unions of which give 256 different Boolean combinations of the original sets R, S, T.

Please capitalize where necessary: outsourcing/offshoring to cis – mafcon has 20 years expertise
A: Outsourcing/Offshoring to CIS – MAFCON has 20 years expertise

Please capitalize where necessary: for feature requests, troubleshooting, general help contact customer support at make sure to include details on your visuallightbox version, browser, operating system and a link (or relevant code).photo album for my website feedback
A: For feature requests, troubleshooting, general help contact Customer Support at Make sure to include details on your VisualLightbox version, browser, operating system and a link (or relevant code).photo album for my website Feedback

Please capitalize where necessary: this report reports on the sinking of the hms curacoa.
A:
This report reports on the sinking of the HMS Curacoa.