Answer: D
Step-by-step explanation: If you turn all of them into decimals (with 2 decimal places) then you cacn order them from least to greatest. With negatives, it is the other way.
Step-by-step explanation:

15 - c = 6
15 - 6 = c
9 = c
c = 9
Answer:
the moon blocks light from the sun by coming between the earth and the sun