The correct answer is NEITHER.
It is not a relative pronoun, because it is not a pronoun but a preposition. And it is not a subordinating conjunction as it is not subordinating a clause into another clause. It is not even introducing a clause.
The phrase "about the fire drill" is a necessary complement to the verb TELL. This verb (in this case in the Simple Past) selects two objects: one necessarily is the person to whom the action is directed (in this case "me") -better called Indirect Object pr Recipient of the action- and the other one is the Direct Object, that is to say the thing being told (in this case "about the fire drill").
As it is the president's job to know about about aspects of the club, one might ask the treasurer to see the "books". In other words, you are asking the treasurer to provide all the financial records showing what money they have or do not have. The president could also ask the treasurer, "Where are we financially: in the black (positive cash flow) or in the red (negative cash flow - having no money)".
The first step in preparing your speech is to take a step back and try to look at it from the perspective of an audience member. See how they would perceive your speech - make sure it's understandable from their point of view and go from there.
<span>When the independent clauses of a run-on sentence are closely connected in meaning, the sentence can be corrected by joining the two clauses with either a semicolon or comma or a conjugation adverb. (depends on the sentence)
</span>