ANSWER
y = 2/3x + 15
Explanation:
Equation used: y - y1 = m( x - x1 )
y - 9 = 2/3 ( x - -9 )
y - 9 = 2/3x + 6 ( distribution )
y - 9 = 2/3x + 6 ( add 9 to 6 )
y = 2/3x + 15
1) given
2) definition of an angle bisector
3) reflexive
4) (ASA)
5) (CPCTC)
I think its y= -x+6 i think this because it would be a positive number or variable
I assume B, since you start with the sum of 16, then break it down and get "9+1=10, 10+6=16"