Which expression is equivalent to (16 x 8 y - 12) 1 / 2

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)

Hilary decided to purchase 3 points in order to lower her interest rate on her $140,000 mortgage. how much additional money does she need to bring to closing? a. $4200 b. $4000 c. $6 d. $400