40 watts because 120-80 is forty or 80 + 40 - 120
<span>C represents the displacement ONLY if it is the VECTOR arrow from P to W.
Usually if the arrow on the diagram has JUST a letter listing, that letter stands for the SIZE or LENGTH of the VECTOR arrow. In order to have the letter represent the VECTOR, itself, it must have a symbol of a "half arrow" placed above it.</span>
Answer:
Explanation:
the moon is still volcanic
I can not answer your question because i am a person who is not smart
and will never become smart