is the a D to the awnsers
Notice, 3 decimals, so, we can just use 3 zeros, thus
Answer:
x=12
Step-by-step explanation:
each CD is 12$
He made a mistake in step #2. It seemed to be a trivial mistake because it involved signs, but it still had a great impact. Since step#2, his solution was already wrong.
Instead of
(-1)²-4(2)(-6) = 1 + 48 = 49
What he did is
(-1)²-4(2)(-6) = -1 + 48 = 47
it is b.9 because u have to multiply (w×h×l)/3
