Question

I need help on 10,11,12, and 13 plz help me

Answer 1

10. 14
       2 * 7 <==

11. 12
      6 * 2
      2 * 3 * 2 = 2^2 * 3 <==

12. 15
      3 * 5 <==

13. ur gonna have 3 tables that each have 4 chairs