Q: how to accept terms and conditions for iOS7 update for app store

Hey there Elleadrienne,

Thank you for using Apple Support Communities!

This is where I would start troubleshooting the accept button on that Terms and Conditions screen:

1. Press and hold the Sleep/Wake button for a few seconds until the red "slide to power off" slider appears, and then slide the slider.
   
2. After the device has turned off, press and hold the Sleep/Wake button until the Apple logo appears.
   

From: iOS: Turning off and on (restarting) and resetting

          http://support.apple.com/kb/ht1430

If that does not fix the issue, I would reset the device next.

Resetting your device

If your device stops responding, you can reset it by pressing and holding both the Sleep/Wake and Home buttons for at least ten seconds, until the Apple logo appears.

Cheers,

Sterling