Answer:
Option 4 - 2 divided by some number
Explanation:
Given : Statement ' the expression 2 over y'.
To find : What best describes the statement?
Solution :
Statement ' the expression 2 over y'.
2 over y simply means

i.e. 2 is divided by y.
From the given options the best description is '2 divided by some number'
Therefore, Option 4 is correct.