Answer:
Alright so youd havee to right the terms in order which should be easy then your done! Hope this helped!
Step-by-step explanation:
I think it might be false, I could be wrong though.
Hopefully that helped! :)
Answer:
l × b is the correct answer for this question
its 14n+21. 7×2n is 14n, and 3×7 is 21
