Find the missing terms in the following number sequence.
1) 17, 19, 21, __, __, 27
2) 1, 2, 4, 8, 16, __, __, 128
3) 50, 46, 42, __, 34, ___
4) 100, 1, 99, 2, __, __, 97, 4
5) 1, 3, 4, 8, 9, 13, 16, 18, 25, 23 __, __,
pa help plsssssss