Blackjack basic strategy quiz

It's been a while since I've popped a quiz, and a while since I've delved into blackjack basic strategy. See if you know the best way to play the following five hands, all among the most-often misplayed hands in the game.

For all hands, assume a six-deck game in which the dealer stands on all 17s, you may split and resplit any pair except aces, which you may split only once, may double down on any first two cards, and may double down after splitting a pair.

1. You have a pair of 8s. The dealer has a 10 face up.

A. Hit.
B. Stand.
C. Split the pair.

2. You have a 9 and a 7. The dealer has a 7 face up.

A. Hit.
B. Stand.
C. Hit if the dealer has been hot, stand if the dealer has been busting a lot.

3. You have an ace and a 7. The dealer has a 10 face up.

A. Hit.
B. Stand.
C. Double down.

4. You have a 7 and a 5. The dealer has a 2 face up.

A. Hit.
B. Stand.
C. Stand if you're sitting at third base, hit from any other position.

5. You have an ace and a 6. The dealer has a 7 face up.

A. Hit.
B. Stand
C. Double Down

Check this site for the answers in a few days.