BB defend strategy <20bb

In the <20bb Big Blind defend strategy the most important foundation is:

You defend Q7o on the big blind at 15bb stack vs BU open. Flop comes 985r. CO cbets, what’s your move?

In the <20 bb defend strategy the most important foundation is:

You defend Q7o on the big blind at 15bb stack vs BU open. Flop comes 985r. CO checks, turn is 3, what’s your move?

You defend Q8o on the big blind at 18bb stack vs CO open. Flop comes J82ss. CO cbets, what’s your move?

You defend 7s5s on the big blind at 12bb stack vs CO open. Flop comesQ84ss. CO cbets, what’s your move?

You defend 7s5s on the big blind at 12bb stack vs CO open. Flop comes Q84dd. CO cbets, what’s your move?

You defend 98s on the big blind at 9bb stack vs CO open. Flop comes Q75r. What’s your move?

You defend 98s on the big blind at 9bb stack vs CO open. Flop comes Q76r. What’s your move?

You defend 98s on the big blind at 17bb stack vs CO open. Flop comes Q76r. What’s your move?

You defend J5s on the big blind at 8bb stack vs BU open. Flop comes KT5r. What’s your move?

You defend K8s on the big blind at 19bb stack vs CO open. Flop comes K42r. What’s your move ?

You defend K8s on the big blind at 19bb stack vs CO open. Flop comes 842r. What’s your move ?

You defend KTs on the big blind at 17bb stack vs BU open from the 40/5 fish (3/30 RFI BU). Flop comes JT2r. Fish cbets pot. What’s your move ?

You defend KTs on the big blind at 17bb stack vs BU open from the 40/5 fish (3/30 RFI BU). Flop comes K92r. Fish cbets pot. What’s your move ?