Gold can be hammered into extremely thin sheets called gold leaf. An architect wants to cover a 100 ft× 89 ft ceiling with gold leaf that is five-millionths of an inch thick. The density of gold is 19.32 g/cm3, and gold costs $1654 per troy ounce (where 1 troy ounce = 31.1034768 g)

i believe it is 40–40–20%

explanation:

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).

bcde is the incorrect answer it is a