Answer:
the answer is 2827.4
Step-by-step explanation:

The value of h is two feet.
Answer:
The slope of the line will change from negative to positive
Step-by-step explanation:
the equation is in the form of y=mx+c and m is negative. By multiplying m with another negative number it turns positive, thus slope changes from negative to positive
Slope is -9 and y intercept is -6
6.283 is your answer!
FORMULA: 2(pie)(radius)