1.
Person A: โwhatโs your favorite letter?โ
Person B: โthatโs a
stupid question. A I guess?โ
2.
I couldnโt think of *a* sentence that uses the word โaโ
3.
The letter A, as well as Z, X, Y and B are very commonly used in math.
1a*3=6
In
the problem above, a would be equal to 2, as 3*2=6 and 1*2=2