Where would the 13x go?
A. In the area model
B. At the bottom of the
x-factor
C. At the top of the x-factor
![Where would the 13x go A In the area model B At the bottom of the xfactor C At the top of the xfactor class=](https://us-static.z-dn.net/files/d7c/0d5791be55342c1bb91c80d300d0060d.png)