Hello i am a student of class 8, and are novel, varog if you contact me, i need .

This is not a questionI am sorry Blavinius , you have ask a proper question that people can understand

Idon’t know this and this isn’t middle school work

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.