I am getting 7 as the value of b. I do not believe 4 is a correct answer!
Here's why:
General equation of a circle in the xy plane

with
being the x,y coordinates of the center.
The center point can be determined from the two endpoints of the diameter because the line segment is horizontal, so we just find the center of the x coordinates of the two points:

and the radius r = diameter/2 = 8-(-2)/2 = 5
so we have

Given a point on the circle (0,b) with b>0:

Answer:
What do you mean?
Step-by-step explanation:
i guess a skill I want to improve is algebra..?
Answer:
The value of the car would be 6753
Explanation
<u>Year | Value < | Deprec. | Balance</u>
Year 1 17900 2327 15573
Year 2 15573 2024 13549
Year 3 13549 1761 11787
Year 4 11787 1532 10255
Year 5 10255 1333 8922
Year 6 8922 1160 7762
Year 7 7762 1009 6753
https://goodcalculators.com/percentage-depreciation-calculator/ - Where I got your answer if you have more problems like this!
I agree with you. I added the mixed numbers and got 4 1/10 and that’s not an option.