Answer:
6x-5
Step-by-step explanation:
We have to find 2 sides added together, so we do (24x-20)/2=12x-10. (12x-10)/2=6x-5, so it is 6x-5.
im pretty sure its C. X=4 but im not positive.
(-9,-7)
(x,y)—>(-x,-y)
(9,7)—>(-(9),-(7))=(-9,-7)
This is my best guess
n=2m