8. Derek was observing the change in water levels in his fish pond. The table below show the change in water levels of the fish pond on different dates. DATE WATER LEVEL CHANGE (inches) August 25 -0.75 September 8 3 -1- 8 September 22 2.5 1 October 6 2 October 20 7. 1 8 CLEAR ALL Based on data in the table, what was the total change, in inches, of the water level in the fish pond from August 25 to October 20? whats the answer