The graph shows the relationship between the volume of rectangular prism and the volume of a square pyramid with an identical base and height. What is the slope of the line?
O-3
O-1/3
O1/3
O 3
![The graph shows the relationship between the volume of rectangular prism and the volume of a square pyramid with an identical base and height What is the slope class=](https://us-static.z-dn.net/files/d5e/f81535486f3c6effa7633f79a5fe2fa2.png)