the example of an open equation is :x+9=16
The square root of 63 is about 7.9, which is between 7 and 8
Answer:
slope 8= -1/5
slope 9= -1
Step-by-step explanation:
Use the depreciation formula.

Where 'p' is the principal value, 'r' is the rate it depreciates, and 'n' is the time. Just plug in what we know:

Simplify by subtracting:

Simplify the exponent:

Multiply: