b: 2120 cm^3
Step-by-step explanation:
The equation for the volume of a cone of base radius r and height h is
V = (1/3) π r^2 h.
Here, the volume is V = (1/3) π (15 cm)^2 (9 cm).
This evaluates to V = 2,119.5 cm^3. Answer choice b is closest to this result.