Answer:
C
Step-by-step explanation:
3 1/2 times -(4/5)
First multiply 3 1/2 and -(4/5)=2 4/5
As <ABC=40
3x-1+34-2x=40
x =40-34+1 = 7
In triangle ABD
3x-1 + 90 +3y + 6= 180
3(7) +3y +95 =180
3y= 180-95-21=64
Y =64/3