Answer:
For number 7 it is 6x*4
For number 8 it is 3(6+4)
Have a great day :)
Answer:
Voted for what exactly? I could help you more if you had a more definitive question. Unfortunately, I cannot answer this for you.
The top left is alternate exterior. The top right is none of them. The middle left is corresponding. The middle right is alternate interior. And the bottom one is corresponding.