Answer:
Mutal fund because its a formerly greatest instruments
We have 26 letters and 10 digits.
So, we have 26 choices for the first letter, 25 choices for the second letter (we can't pick the one we already chose), and 10 choices per digit (we can always choose any digit, because we can repeat them).
This leads to a total of

possible car targs.
Easy example that shows

:
Let

.
Then

.
So

, or

, and so

.
The basic idea is to find the period of the repeating decimal, move the

digits belonging to one period over to the left of the decimal point by multiplying by

, then subtract the original repeating decimal from this new number, and finally divide by

.
A slightly more complicated example:
Let

.
Then

.
Then

, or
Answer:
A!
Step-by-step explanation:
2nd because it is the the graph