Answer:
Its A just explan the work like 129.6/64.8x98
X^2+y^2=R^2
64+36=R^2
R=10
x^2+y^2=100
The correct answer is actually (a) because rate of change is x/y (or that's how I learned it) then the more big the slope the bigger the rate of change
Answer:
.625
Step-by-step explanation: