Answer:
honestly sorry what subject that
a=11 and b=12
Step-by-step explanation:
1) 106=9b-2 (Angles B and D are congruent)
2)b=12 (Find answer)
3)180-106=74 (Angle C + Angle D= 180)
4)7a-3=74 (Find Angle C)
5) a=11 (Find Answer)
