Answer:
I NOT 100% SURE BUT I THINK ITS .B)
Step-by-step explanation:
36 in
7+7+11+11= 36
root 30
10/x=x/3
x^2=30
x= root 30
-3x+3x-(b÷2)=-3
0-(b÷2)=-3
-(b÷2)=-3
b=-2×-3=+6
=> b=6