Answer:
BC=5 BA=11 D=178
Step-by-step explanation:
I might not be completely right but I think so.
-240
500 - 800 + 60
= -300 + 60 = -240
Answers below
1) 4 (x+4)
2) 4x + 16
3) 2x+8
4) 2x+8
5) 3x+9
B = 17.4°
C = 54.6°
c=43.7