600 ---> 250
600 - 250 = 350
350 / 5 = 70
Average decrease in value per year: $70
I think u add not sure though
Answer:

Step-by-step explanation:

The interval notation is (-12, 12).

The answer is c. Difference of squares
I will go less as i write them:
.4 .04 .004 .0004