For questions # 10-14, refer to the diagram at the right, where ABC is a straight angle, m/ABF = 6x-4, m/FBE=21x+1, m/EBD 12x-8, and m/DBC=9x-1. wwwsex 10. Find x. 11. Find mZFBE. 12. Find mZFBD. 13. Find the complement of ZCBD in degrees. Find the supplement of ZABF in degrees. 14.