Answer:
the answer is c
Step-by-step explanation:
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
a+√b
a-√b
-2
16=-4x+4+4
16=-4x+8
4x=8-16
4x=-8
x=-2