your bottom
You will need about 65.185 cubic yards (83.6 tons) of gravel for this area.
a yard of dirt is 27cubic feet 2" is 1/6' 27cubic ft / 1/6' = 162 square ft unless you meant 2" wide and 2" thick for 972 feet
You can make 500 feet of shelving that's 2 feet wide and 1 inch thick, but you'll need some more materials to assemble it with.
Assuming you mean a cubic construct that is 24 feet long by 1 feet wide by 2 feet deep, the answer is 48 cubic feet (24x1x2).
5 1/3 Board Feet.
Change the depth into feet and multiply:- Asphalt needed = 8*100*2/12 = 133 and 1/3 cubic feet
your bottom
199.5 square feet
It depends on the thickness and the density. One ton should be about 15 cubic feet when compacted, so it would cover 30 square feet 6 inches thick or 45 square feet 4 inches thick or 60 square feet 3 inches thick. It would make a driveway four inches thick, 9 feet wide and 5 feet long or a footpath 3 inches thick, three feet wide and 20 feet long.
You're ok.
A cubic foot is 12" thick 12" wide and 12" deep. .45 cubic feet per 60# bag of concrete
You will need about 65.185 cubic yards (83.6 tons) of gravel for this area.
A cubic yard is three feet high, three feet wide and three feet thick.
a yard of dirt is 27cubic feet 2" is 1/6' 27cubic ft / 1/6' = 162 square ft unless you meant 2" wide and 2" thick for 972 feet
You can make 500 feet of shelving that's 2 feet wide and 1 inch thick, but you'll need some more materials to assemble it with.
Spaghetti is thin and narrow; apply the sauce wide and thick.