Answer:
Hey there!
I would prefer method two.
Both methods give the right solution, but method two is more straightforward. Instead of distributing, you simply divide and don't need to do as much work.
Let me know if this helps :)
D would be the correct answer.
As you can see in the second equation, y is already isolated. So, we can substitute it into the first equation, to solve for x.
Let me know if this helps!
use Pythagoras theorem
✓12x12+16x16
✓400
20
Answer: attached below
Step-by-step explanation:
