question: frederik 3rd died at copenhagen castle 60 years old, and became buried at roskilde cathedral. sofie amalie died 20th february 1685, and was buried besides her husband.
Capitalize this past sentence correctly.
A: Frederik 3rd died at Copenhagen Castle 60 years old, and became buried at Roskilde Cathedral. Sofie Amalie died 20th February 1685, and was buried besides her husband.

question: left front piece: knit like right front, but reversed.
Capitalize this past sentence correctly.
A: Left front piece: Knit like right front, but reversed.

question: if your pc opens the dcp file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating dcp file extensions with the wrong software program.
Capitalize this past sentence correctly.
A: If your PC opens the DCP file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating DCP file extensions with the wrong software program.