Problem of the week #15: can you me on this picture the whole thing i am stuck can you me on this now.

look at the

Which compound inequality could be represented by the graph?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

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