Question

amir arrange 9 photo on a bulletin board. he put the photos in rows. each row contains the same number of photos. how many photos could be in each row? answer

Answer 1

There are multiple answers (I think)
If there are 3 rows, then there are 3 photos per row.
If there are 6 rows, then there are 2 photos per row.

That is all I can think of.

Answer 2

3 since the square root of 9 is three and 3 *3 is also 9