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2. Find the common difference in the arithmetic sequence 3, 13/4, 7/2, 15/4, A. 14 B. 34 C. 5/2 D. 4 3. What is the sum of all the odd integers between 8 and 26? A. 153 B. 151 C. 149 D. 148​

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ANSWER:

A.153

EXPLANATION:

The aum of all the odd integers between 8

and 26 is 153 sinse the set of odd integers

between 8 and 16 is given by {9,11,13,15,

17,19,21,32,25}. Thus, 9+11+13+15+17+

19+21+23+25=153

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