someone help me please

Answer:
[tex]1. a_{n} =2n+2\\2. a_{n}=6n+6\\3. a_{n}=4n+4\\4. a_{n}=2n-2\\5. 512 (*2)\\6. 314,928 (*-3)\\7. -65536 (*4)\\8. 917,504 (*4)\\9. -274 (-9)\\10. -230 (-6)\\11. -189 (-5)\\12. 371 (+20)[/tex]
Step-by-step explanation: