Answer:
Interval [b,c] and interval [c,d]
Step-by-step explanation:
a(-5,0)
b(-1,2)
c(4,3)
d(11,4)
The average rate of change is the the total rise over the total run.
The Rise means the vertical increase and the Run means horizontal incease.
For interval [a,b]
rate of change is 
For [b,c]

For [c,d]

The linear function should be y=2 i apologize if i am wrong
U write it as 1/6+1/6+1/6+1/6=4/6
Answer:
Questions 3
X+100+130=360
X+230=360
X=360-230
X=130
Step-by-step explanation:
a+b+c=180
50+50+50=180
150=180
a+b+c=180-150
=30
Two side measures are the same
all angle measures less than 90°
two angle measures are the same