Hold'em table

Ace-high from the button in a 3-handed game is a standard open; raising builds the pot with position and folds out weaker hands.

J7 offsuit is too weak to defend from the small blind against a button open, especially with the big blind still to act. Folding avoids playing a dominated, poorly connected hand out of position.

Q5 offsuit facing a raise with SB already folded is not worth defending; fold to preserve chips.

K3o is too weak and dominated to open from the button, so folding preserves my stack.

KTs is strong enough to raise for value/isolation against the big blind now that the button folded.

Nine-two offsuit is a trash hand facing a 3x raise from the small blind; calling 200 into a 400 pot with almost no equity or playability is a clear fold.

A9 offsuit on the button is a solid raising hand heads-up-ish against blinds; a standard 2.5x raise builds the pot and takes initiative.

2h4s is one of the worst hands in hold'em and I'm out of position facing a 2.5x raise from the button. Folding is clearly correct.

72s is too weak to continue out of position against a button raise; folding avoids a difficult postflop spot with poor playability.

T4o is too weak to complete out of position heads-up; folding avoids playing a dominated hand with poor postflop prospects.

A6o is a standard button open in three-handed play; a 2.5bb raise takes the initiative rather than limping or folding.

Q2 offsuit is weak against a raise from the button; not worth continuing from the small blind.

89o is a decent defending hand in position against a 2.5x button open; calling 150 into a 400 pot gives good odds and keeps the pot small with a playable suited-connector-ish hand.

I missed the flop entirely with 8-high and no draws, so checking is best; I can fold cheaply to a bet rather than invest more into the preflop raiser's range.

Top pair on a dry flop after the big blind checks; a small c-bet takes the initiative and gets value from worse aces and floats.

I hold 8d9c on an A-T-5 board with no pair, no gutshot (a straight needs two running cards), and no backdoor equity worth 200 into 750. Folding is clearly cheapest.

5-3 offsuit is a weak hand out of position relative to two live players; folding preflop preserves chips.

K9s is a strong heads-up hand from the SB; raising builds the pot with position and applies pressure to the BB.

J9o has enough equity and position against a likely wide small-blind open to call 200 into 400. Folding gives up a playable pot, and three-betting this hand is not attractive.

Standard continuation bet as preflop raiser; K-high has little showdown value, but a wide BB cold-call range often misses this low board, so half-pot fold equity makes a stab profitable.

J9 offsuit has no pair and no draw on 852, so calling a flop bet is unprofitable against a continuing range.