Step-by-step explanation:
The answer is 26 or 24 because I didn't understand what you have written after +
871 is closer to 870 than 880, so the answer is 870
The rate of change is the slope of this line
m = (y2 - y1)/(x2 - x1) = (13 - 5)/(4 - 0) = 8/4 = 2
-19/25 if you simply it by 4