Answer:
Top one, least to greatest:
,
,
,
, 6.6, 
Bottom one, greatest to least
9.6,
,
, -4.2,
, 
Answer: 1, 2, 3, 4, 6, 12
Calculation/Explanation:
Common factors are factors that both the numbers, in this case, 60 and 72, have in common. The factors listed above are all factors shared by 60 and 72.
9,090,900.0099 is the answer.