Discover Questions

Does NASA still use miles instead of kilometers? In one mole of the compound iron(III) oxide,
what fraction of the total number of ions is
the oxygen ion? If x^2+y^2 = 6, and x+y=3, then what is x^3+y^3? When the pressure that a gas exerts on a sealed container changes from -atm to 1.80 atm, the temperature changes from 86.0 C to 30.0 C.? How many edges in a circle?