You could find this by doing 6 * 5 * 4, or 6 choices * 5 choices * 4 choices = total choice combinations.
6*5*4 = 120
Answer: The solution is in the photo
-15a - 9c -6 should be right :)
I believe the answer is 873. You multiply 36 and 24 then add by 9 :) correct me if I’m wrong tho