Same way you would find x, it's just a different letter
math
There is insufficient information to answer the question.
f
Math f kumon test answers
In math, they could be used as variables. I'm not exactly sure if that is the answer you are trying to find.
2f
That is a easy one rece........ um math
Twelve F on a D is a fraction. This is a math equation.
If I do not like math, then I do not like science.
use math to find the answer
math
Charles F. Cornett has written: 'Reading math'