Retrieval: Number sequences

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Igor counts up in steps of 3 starting at −40.Write the fifth number in his sequence in the box Observe the sequence below:

-25

What is the term to term rule? 4, 13, 22, 31, ............ ,.............. ,............ ,

+9

What is the 12th term of this sequence? 4, 13, 22, 31

12 x 9 - 5 = 103

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