Q: I forgot my security questions; how can I change them when I can't seem to use my rescue email?

The Three Best Alternatives for Security Questions and Rescue Mail

     If you do not have success with one, then try another:

        1.  Send Apple an email request at: Apple - Support - iTunes Store - Contact Us.

        2.  Call Apple Support in your country: Customer Service: Contact Apple support.

        3.  Rescue email address and how to reset Apple ID security questions.

A substitute for using the security questions is to use 2-step verification:

Two-step verification FAQ Get answers to frequently asked questions about two-step verification for Apple ID.

how is anyone supposed to use this option when were looking for ways to reset our security q's, which we cant remember them? and don't have a rescue email.

Options one and two in Kappy's reply don't require a rescue email address (option 2 is the one that you should use if your country is on that page).