Answer:
So the correct answer is"none of the above".
Step-by-step explanation:
z+(z+6)=z+z+6=2z+6. \\ \\ (z+z)+(z+6)=z+z+z+6=3z+6. \\ \\ (z+6)+6=z+12 \\ \\
Answer:
area of B or another side tell fast I will answer
If you are factoring it you can factor it into (x+5)^2
Do you need help with all of these?