Distance formula ds = v(dx² + dy²) s = ? v(1 + (dy/dx)²) dx ......... s = the arc length y = 171 - x²/45
chegg
someone solved it on this
https://youtu.be/UGjXlMVdZvc
How to get answer by Mimiwhatsup (In Decimal Form):

Answer in Fraction Form: 
Ok this is a linear equation that is descending and is in slope intercept form
Answer:
I think it is a
Step-by-step explanation: