Basic Mathematics

What Comes Next?

What comes next in this sequence:

$0, 3, 6, 9, 12, \dots ?$

What comes next in this sequence:

$88, 544, 88, 544, 88, 544, 88, \dots ?$

What comes next:

$10, 20, 32, 48, 72, 112, 184, \underline{\hspace{1cm}}, ?$

What comes next in this sequence:

$1, 2, 6, 24, 120, \underline{\quad}?$

What comes next in this sequence:

$1, 3, 7, 15, 31, \underline{\quad} ?$

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