You have six sides. Two of them are 4" x 8", two of them are 4" x 5", and two of them are 8" x 5".
2 x 4" x 8" + 2 x 4" x 5" + 2 x 8" x 5"
= 2 (4" x 8" + 4" x 5" + 8" x 5")
= 2 (32 in2 + 20 in2 + 40 in2)
= 2 x 92 in2 = 184 in2
Pretty much everything
806.66 Cubic Yards
There is no limit to the number of cubes which can be arranged on top of a rectangular prism.
90
12
184 sq in
How much space ideally required to open a 60 cover restaurant with kitchen?"
if you're cooking a whole chicken, dont use foil or the skin wont crisp up. if you're cooking something like chicken catchatorie in a braising liquid, the foil with keep in the moisture. in short, if you want crispy chicken, dont cover it.
The edges for a rectangular pyramid is 8.
A rectangular prism has 12 edges.
Pretty much everything
This will depend on the type of tree and type of cover required.
806.66 Cubic Yards
Paper, because it is much lighter, and a foil airplane will take up much more mass.
Aluminum foil is a better heat insulator than newspaper. Aluminum foil reflects thermal energy, while newspaper absorbs and conducts heat. Therefore, aluminum foil will help keep heat in or out more effectively.
Covering things like left overs for dinner or really any meal. (Actually, real tin foil is NOT very good for that since it's reactive enough to impart a metallic taste to acidic foods; aluminum foil, which is sometimes CALLED "tin foil," is much better.)
There is no limit to the number of cubes which can be arranged on top of a rectangular prism.