Which is a physical property of aluminum?

a) aluminum rusts when it is exposed to moisture and air

b) aluminum is a good conductor of heat

c) aluminum reacts with oxygen to form aluminum oxide

d) aluminum reacts with hydrochloric acid to give off aluminum chloride and hydrogen gas

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)