The following three sequences are increasing:
Sequence 1
3, 6, 9,…Sequence 2
4, 8, 12,…Sequence 3
18, 19, 20,…
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Step-by-step explanation:
(b) This sequence is made up of the multiples of 3, so the next three ... (b) 4, 8, 12, 16, 20, . ... The tens digits in the right-hand column, in order, are 1, 2, 3, . ... 3, 6, 9, 12, 15, 18, 21, .
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