Yes, it is an acronym. The correct was to write this is R.S.V.P. It is written like this because it stands for something else.
You should not capitalize a sentence fragment following a colon.
No, you should not. You should only capitalize a word when it is at the start of a sentence or when it is a proper noun.
When it is in the beginning of the sentence.
No. It's not necessary.
Unless it is the first word in a sentence, then you don't need to capitalize "tobacco."
No, you should not capitalize "anxiety" in a sentence unless it is at the beginning of a sentence or part of a title.
You should not capitalize a sentence fragment following a colon.
if you are starting a new sentence, yes you should. if you are using the word in the middle or at the end of the sentence, you shouldn't capitalize it.
No, you should not. You should only capitalize a word when it is at the start of a sentence or when it is a proper noun.
When it is in the beginning of the sentence.
Yes, the term "Hispanic" should be capitalized when used in a sentence. It refers to people and cultures of Spanish-speaking countries or origins.
No, only at the start of the sentence.
No.
No.
At the beginning of a sentence.
Yes, "firemen" should be capitalized when referring to members of the fire department in a specific context or as a proper noun (e.g., "The Firemen's Union").
No. It's not necessary.