Solving Chess Puzzles (2310-2312)

I went 4 of 7 in this video. The included puzzles are: 1. https://www.chess.com/puzzles/problem/772834 solved +5 2. https://www.chess.com/puzzles/problem/1269455 FAILED -13 3. https://www.chess.com/puzzles/problem/1672458 solved +5 4. https://www.chess.com/puzzles/problem/761902 FAILED -15 5. https://www.chess.com/puzzles/problem/1587480 solved +10 6. https://www.chess.com/puzzles/problem/1002458 FAILED +5 7. https://www.chess.com/puzzles/problem/1322931 solved +5