3. Pic 3. Find mBC

A. 7 degrees

B. 166 degrees

C. 97 degrees

D. 83 degrees

7. Pic 7. Find mAE

A. 110 degrees

B. 150 degrees

C. 210 degrees

D. 127 degrees

9. Pic 9. Find mBCE

A. 110 degrees

B. 70 degrees

C. 210 degrees

D. 55 degrees

16. Pic 16. Find mBD

A. 180 degrees

B. 55 degrees

C. 115 degrees

D. 127 degrees

I am between 2 answers on each of these. i don't know which one. can you tell me.