Pick two numbers (rules)

This is a math number game with (2) levels of difficulty. You have to pick two numbers from the group, that when added together equal the total given. There is only one right answer. The answers will be given in the comments for that post. See how fast you can find the correct two numbers.Example: If the total given is 12, what two numbers when added together from this group below equal 12?6-4-9-