3. Find the 22nd term of the arithmetic sequence 2, 7, 12, 17, ... A. 107 B. 112 C. 117 D. 122 4. Kindly refer to the arithmetic sequence given in #3. What is the common difference? A. 3 В. 4 С.5 D. 6 5. Find a if a11= -77 and a12=- 84. A. -7 6. Kindly refer to the arithmetic sequence given in #5. What is the value of n? B. -6 C. -5 D. -4

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