Answer:
There can be 9 arrays.
Step-by-step explanation:
We are asked that the number of arrays that Courtney can make with 36 photos.
The dimensions of the possible arrays are
[tex](1 \times 36), (2 \times 18), (3 \times 12), (4 \times 9), (6 \times 6), (9 \times 4), (12 \times 3), (18 \times 2) \textrm { and } (36 \times 1)[/tex]
Here, the array with 1 row by 36 columns and 36 rows by 1 column are different. (Answer)