Answer:
um what I do is I go from like if I was doing 12 I would go 1 times 12 and then 2 times 6 and 3 times 4 and then I would stop cause it's repetitive if that makes sense
The answer is

i hope this answer helps you!
Answer:n1-11
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Step-by-step I'm a retired math teacher so I know.
2. (D)
3. (B) Hope it helps
Answer: third one
Step-by-step explanation: