Hold'em table

Ac6s is a weak hand out of position. With only an ace and weak kicker, folding is prudent in early position (button) facing an open raise, as we lack both high card strength and playability.

With 4-2 offsuit in the small blind facing the big blind heads-up, folding is preferable to defending a very weak hand out of position.

J7 offsuit is a weak button opening hand in a three-handed game and is prone to domination; folding avoids marginal spots.

T9o is a reasonable button open in a 3-handed game; raising applies pressure on the blinds and takes initiative with position.

Q3o is a weak hand that doesn't warrant calling 250 chips from the small blind against a 3x raise. Folding preserves chips for better spots and avoids playing out of position postflop with a marginal holding.

K2 offsuit is too weak to defend against a button 3x open out of position.

8-6 offsuit is a weak hand with poor equity. Folding from the button against two opponents is the optimal play when facing a 100-chip call.

Heads-up from the small blind, Kh7d has enough high-card strength to raise and pressure the big blind. A 3bb raise is a standard isolation size.

Getting 2:1 pot odds in the big blind against a likely wide small-blind raise, J7o is weak but can profitably call and see a flop; raising risks too much with a marginal holding.

A small continuation bet applies pressure to the big blind's many unpaired overcard holdings while risking little on this paired, two-diamond board.

My J-high has little equity on a paired, coordinated board and the small blind's preflop raise plus flop continuation bet likely represents a stronger range. Calling 200 would need about 20% equity, which I do not have reliably enough here.

Open-raise the button with a suited ace to capitalize on position and initiative.

K2o is too weak to continue out of position against a button raise, even in a 3-handed game. Folding avoids playing a dominated hand and risking a squeeze from the big blind.

Jack-seven offsuit is a weak hand facing a raise to 250 from the button. Folding preserves chips against a likely stronger range without sufficient equity to justify calling 150 more.

K7o is playable on the button in a 3-handed game; raising to 2.5bb applies pressure on the blinds, takes initiative, and uses position if called.

T2o is one of the weakest hands in poker. Against a button raise of 250 chips (2.5x BB) from an aggressive position, folding is correct. The hand has poor equity and poor playability post-flop.

J3 suited has enough equity and playability to defend the big blind against a small button open heads-up.

This board favors the button's raising range, while J-high has limited showdown value and only weak backdoor potential. Checking preserves flexibility and avoids bloating the pot.

The big blind checked on a Q-high board, and my K-high has little showdown value, so a continuation bet can fold out better unpaired hands and take the pot down.

J-high has no made hand or meaningful draw on this coordinated flop, and calling the continuation bet out of position is unprofitable.