How are words such as first, although, and therefore used?

Who calls tyler into his office to fire him his job

Is conciseness and formality more of a courtesy than a requirement in an adjustment letter

Which sentence contains a punctuation error? a. have you met my great-aunt marie raines? b. my mother wrote three children's books about the family farm. c. my sister's mother in law lives with them, and everyone gets along fine. d. another hurricane is brewing in the mid-atlantic.