X=8 I’m not that to sure but hope i helped!
Should be 5,100 from the information that is given.
Answer:
220
Step-by-step explanation:
Given that the freshman class has 160 students.
Each freshman must write three reports from a list of 12 novels that the teacher has assigned them to read
Here order does not matter. Hence combinations can be used.
No of available options = 12
No to be selected =3
Possible number of ways = ways of selecting 3 from 12 where order does not matter
= 
Option B is right answer.
more details please I cant do the work if there is no variables