question: * some dhcd file extension formats can be opened in binary format only.
Capitalize this past sentence correctly.
A: * Some DHCD file extension formats can be opened in binary format only.

question: when loki lost, he saved his life by saying that brokk could take his head but not any of his neck.
Capitalize this past sentence correctly.
A: When Loki lost, he saved his life by saying that Brokk could take his head but not any of his neck.

question: it is written in the language of mathematics, and its characters are triangles, circles, and other geometric figures without which it is humanly impossible to understand a single word of it; without these one is wandering in a dark labyrinth.
Capitalize this past sentence correctly.
A: It is written in the language of mathematics, and its characters are triangles, circles, and other geometric figures without which it is humanly impossible to understand a single word of it; without these one is wandering in a dark labyrinth.