If you have $2 over and you waste a dollar you are still a millionaire, but if you had $1 left and wasted it you are no longer a millionaire.
Hope it helps...
B): x=8, y=8root2, z=16
c): x=4, y=12, z=8root3
The ones later one you can do by your self.
30 60 90 triangle side ratio: 1:root3:2
90 45 45 triangle side ratio: 1:1:root2
Answer: <em>the fully factorized answer is</em> 3x(2 + 5x)
which means none of the above are correct, unless you have a different definition of
.