(8 - 3i)(2 - 7i)=
16 x -56i - 6i + 21i^2
16 x -50i - 21
Ok so what you're trying to do is get L by itself so to do this you move everything to the other side:
A=L*WH

=L
So you answer would be:
C
Answer:
the third one...............
Answer:
B
Step-by-step explanation:
You can use the key features (such as the vertex) to determine which is the correct equation