I got D because if you simply add you get D
Answer:
13
Step-by-step explanation:

-9 + 2 = 7
7 + 9 = 16
X = 16
Answer:
1/5
Step-by-step explanation:
If something is perpendicular, (in a line) then it creates 4 90 degree angles.
Two on the top, and two on the bottom.
I hope this helps!
~kaikers