Measure of angle one and three are vertical angles which means they are congruent
Answer:
-(7y^3+7y+36)
Step-by-step explanation:
(-73-y+1)+(-7y^3-6y)
-37+1-y-7y^3-6y
-36-y-6y-7y^3
-36-7y-7y^3
-7y^3-7y-36
-(7y^3+7y+36)
C=-160/9+5f/9 I think that's the answer to your qeustion
