question: these were quanities such as the number of items produced, the quantity of labor used, the quantity of raw materials used, etc.
Capitalize this past sentence correctly.
A: These were quanities such as the number of items produced, the quantity of labor used, the quantity of raw materials used, etc.

question: straight hair with tss (purl if you want curly hair).
Capitalize this past sentence correctly.
A: Straight hair with TSS (purl if you want curly hair).

question: the book is written as a diary but jumps very from person to person.
Capitalize this past sentence correctly.
A: The book is written as a diary but jumps very from person to person.