か教えて

tell me

→ か
phrase Common #2,008
tell me Used after an embedded question to ask someone to provide the answer or information. The part before か can mean who, what, when, where, why, how, or whether, depending on context.
JA: 駅までどう行けばいいか教えて。
EN: Tell me how to get to the station.

どうやればいいか教えて

Tell me how to do it.

列車は何時に出発するか教えてくれませんか

Could you tell me what time the train departs?

ここには何を記入したらよいか教えてくださいますか

Could you please tell me what I should fill in here?

どんなか教えて

Tell me what they look like.

— パディントン2 (2017)

私の車のことをどう思ってるか教えて

Tell me what you think of my car.

お手洗いはどこか教えて下さいませんか

Could you please tell me where the restroom is?

どうやるか教えて

Tell me how to do it.

次に何をやるべきか教えてくれませんか

Could you tell me what I should do next?

どうやってやるのか教えて

Tell me how to do it.

トムがいつ運転免許を取ったか教えてもらえますか

Could you tell me when Tom got his driver's license?

どっちが欲しいか教えて

Tell me which one you want.

何してるか教えてできない

Tell me what you're doing. I can't.

— ROMA/ローマ (2018)