Question: I need help with these questions In 3-14: a. Write each arithmetic series as the sum of terms. b. Find each sum. 10 5 3.

I need help with these questions In 3-14: a. Write each

I need help with these questions

In 3-14: a. Write each arithmetic series as the sum of terms. b. Find each sum. 10 5 3. $ 3n 4. _ (2k - 2) 5. IM- Ck2 * -1 6 10 10 6. 7. (100 - 5k) 8. (3n - 3) * -1 10 15 9. E (n' + 21) 10. E(-1)h 11. [An - (n + 1)] IME IM- IN 12. -ki 13. S(5 -4k) 14. > (-2n)"+1

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