Suppose that E and F are points on the number line.
If EF=9 and E lies at 4, where could F be located?
If there are several locations, separate them with commas.
![Suppose that E and F are points on the number line If EF9 and E lies at 4 where could F be located If there are several locations separate them with commas class=](https://us-static.z-dn.net/files/d71/af47c8dd1b7f711e62f9f5b6f7652448.png)