Answer:
i beleive that B is the best option
Answer: 
Step-by-step explanation:
Step 1:-
Given equations are y=-2 x+30........(1)
another equation is y=4 x ..........(2)
Step 2:-
solving these two equations (1) and (2)
Equating both equations are 


Step 3:-
The final answer is 
Answer:
yes all are right
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
cus thats the formula
The answer is 155 because 124/4 is 31 so the average rate of change is 31 so multiply by 5 and it gives you 155