1
If the US beats Algeria, then Slovenia advances with the US (and England is OUT) if Slovenia beats or ties England.
USA 5
Slovenia 5
England 3
Algeria 1
or...
Slovenia 7
USA 5
England 2
Algeria 1
If the US beats Algeria and England beats Slovenia, then we have:
USA 5
England 5
Slovenia 4
Algeria 1
And England and the US advance.
If The US ties Algeria, we can only advance if Slovenia beats or ties England:
Slovenia 5
USA 3
England 3
Algeria 2 (if the tie-break is goal differential, then it's still tied, because England and the US both have a goal differential of zero...don't know what the next tie-break is)
or...
Slovenia 7
USA 3
England 2
Algeria 2 (and the US advances over England)
If the US loses to Algeria, we're out no matter what.