



 
Hi Paris, To get from ay term in an arithmetic sequence you add the common difference. Thus in your arithmetic sequence the first tem is $12$ so the second term is $12 + (6) = 6$ and the third term is $12 + 2 \times (6) = 0.$ How many times do you need to add $6$ to get to the twentyfifth term? What is the twentyfifth term? Penny  


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