I need these done within 2 hours. Brainliest for best answers if multiple answers.

(going down rows starting on the left)

1. 3^12  2. 3^8  3. 3^2  4. 2^6  5. a^2  6. 2^8  7. a^7  8. 2^7  9. a^6  10. a^4  11. 3^4  12. 3^6  13. 2^5  14. 2^10  15. 3^7  16. a^5  17. 3^12  18.3^5  19. 2^9  20. a^10

Step-by-step explanation:

Simply add together the exponents

60

step-by-step explanation:

every triangle measures a total of 120 degrees. you have to find angle c. we know that isosceles triangles angles are equal. 60 degrees plus 60 degrees gives you 120.