Respuesta :

1.9
2.11
3.13
4.15
5.17
6.19
7.21
8.23
9.25
the pattern seems to be adding two to the previous number to get the next term. so 17 + 2 is 19, 19 + 2 is 21, 21 + 2 = 23, 23 + 2 = 25 the 9th term is 25