I have to find the rule of each line can you help?

Question

1.3,3.3,4.5,6.5,7.7,____,_____,_____
Rule:_______________________

14.8,15,13.2,13.4,11.6,____,____,____
Rule:_______________________

4.8,9.6,8.9,17.8,17.1,_____,______,_____
Rule:_______________________

Answer 1

dont every curse at me again

Answer 2

The first looks like it adds alternately 1 and 1.2.

Look for alternate adding and subtracting in the second.

The third includes multiplying.

I hope this helps. thanks for asking.