Training Tactics 3

Hi there i present to you some tactical problems to be solved, they are not composed by me i brought them from various sites. If you have problems with tactics read this:https://www.chess.com/news/view/training-tactics-2-piramidal-attack-5376

Problems

Remember to read the previous news of the group and if you have not done this puzzle do it now!:https://www.chess.com/news/view/daily-puzzle-how-to-trap-a-trapped-piece-4390