Answer:
The average rate of change is 10.
Step-by-step explanation:
Since the average rate of change is the slope of a line, you'd solve this problem by finding the slope.
First, you can start by using the
method.
Plug in the points (0,10) and (1,20).

Therefore your answer is 10.
Hope this helped!
Answer:
162 ft^2
Step-by-step explanation:
the formula for finding the area of a triangle is 
the base is 27 and the height is 12

Answer:
It is 8,7
Hope this helps!
Step-by-step explanation:
No the don't add up to one eighty I'm pretty sure if not tell me
30b because 2 time 3 is 6 and 6 times 5 is 30 so its 30b