Dragontamer83IsSadviz Dragontamer83IsSadviz Math Answered 14. Write in long method. A. [(1) + 1] + [(2) + 1] + [(3) + 1] B. [2(1)-1] + [2(2) - 1] + [2(3)-1] C. [2(1) + 1] + [2(2) + 1] + [2(3) + 1] D. [(1) − 1] + [(2) − 1] + [(3) − 1] 15. Find the sum. A. 1 B. 2C. 3D. 4