Answer:
Inverse property of addition
Step-by-step explanation:
When you add two opposite numbers (4/5 is the opposite of [-4/5]) the answer is always zero.
Step-by-step explanation:
Given binomial is:

The point-slope form:

We have the point (4, -6) and the slope m = 3/5. Substitute:

If the value depreciates 8.6%, it is 91.4% of what it was the year before. The value can be modeled by
y = 19500(0.914)^x