Answer:

Step-by-step explanation:

Adding 2a to both sides

Taking sqrt on both sides

20% of 55 is
11Convert your percentage into a decimal:

Multiply your decimal by 55:
Answer:
D
Step-by-step explanation:
I'm not the greatest in this subject, but I think that it's D/If the roof leaks, then the ceiling gets damaged because it clearly says that in the statement. It could be all of them, though, but this is my answer. Hope it helps!
I dont really know. you dont know how big the walls are and how far 1 gallon goes so figure how far 1 gallon goes and then divide it by the 1,162.5