Recent content by Bat7!

Thanks for your help...

I thought that for a moment - like P (1-P) but how would you solve this question?

As expressed in this question: The telephone numbers for a region of a state have an area code of 570. The next seven digits represent the local telephone numbers for that region. A local telephone number cannot begin with a 0 or 1. Your cousin lives within the given area code. What is the...