Discover Questions

In one mole of the compound iron(III) oxide,
what fraction of the total number of ions is
the oxygen ion? How many milliliters of concentrated of sulfuric acid (18 M) are required to make 7.0 L of 0.12M H2SO4? What can you tell me about the flower of life? Sacred geometry? Where does it come from? Diameter of a wheel 80cm. If the wheel rotates through an angle of 200degrees, how many cm does it move? Show steps please!? Find all solutions to the following system of nonlinear equations.
(x − 2)^2 + y ^2 = 20
(x + 2)^2 + y^ 2 = 20?