Stickels Puzzle #16

Here's a sequence puzzle that is not as difficult as it may appear. What is the number that goes in the question mark's place? 2-3, 3-5, 4-4, 6-3, 7-5, 8-5, 9-4, 10-? 4 5 6 7 8 9 10 11 12 None of the above view results