17 - (8 - 5) = 14
Average = 13
around the 8 and the 5
21714.88
7
17 - (8 - 5) = 14
2 + 14 - 8 + 9 = 17
Average = 13
17 is the only prime in this list.
3n - 1
-14
18
8-17! another person hear and who ever wrote this it is accutly 8-14
around the 8 and the 5
21714.88
19
8.8235