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4 votes
Which sequence is arithmetic?

O 6, 12, 15, 21, ...
O 7, 14, 21, 36, ...
O 8, 16, 32, 64, ...
O9, 18, 27, 36, ...

1 Answer

7 votes

Answer:

Third option

Explanation:

It is doubling each time unlike the fourth one which is not arithmetic and is the nine times table

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