Answer:
2 ordered pairs are solutions:
(1, -11) and (3, -9)
Step-by-step explanation:
Answer:
i dont know
Step-by-step explanation:
1. analyze data presented
It is not d because it is not greater than 80 degrees
it is not a because it is clearly not 10 degrees
making system of equations
8x+(4x+60)=180
addition
12x+60=180
move sixty to the other side
12x=120
division
x=10
Angle BEC=*x, so 8x=80
Answer: 80 degrees
