Answer:
-2
Step-by-step explanation:
The average rate of change is the slope using the points (0, 10) and (3, 4). The slope is found using the formula 

Answer:
Slope: 3/5
y-intercept: 7
Step-by-step explanation:
Anything greater than 4 but less than 9
(5/6) x = -1/6 (multiply times 6/5)
x = -1/5
You subtract 5 to the other side so it'll read -6n=-4 then divide -6 to the other side and it'll be 2/3