Fill in the blanks with the numbers that complete the sequence, and briefly explain the rule you used #1---------    2,3,5,5,8,7,11 _,_,_,17,_,_,_   #2------------   3,4,3,4,5,3,4,5,_,_,_,_,_,7   #3-------------     1,2,1,1,2,3,2,1,1,2,3,4,3,_,_,1,2,_,_,_,_,_,2

⚑ Flag

The second pattern is 3,4,3,4,5,3,4,5,6,3,4,5,6,7 (It's 3,4 then 3,4,5, then 3,4,5,6 etc.). The third pattern is 1,2,1,1,2,3,2,1,1,2,3,4,3,2,1,1,2,3,4,5,4,3,2,1. (up and back to 1 so, 121, 12321, 1234321) I don't know the first one yet.