Assorted Halachos- Part 86

In this shiur we discuss: 1) If one forgot to say V'Sein Bracha on mincha of erev shabbos, 2) Can one get a haircut this Friday, 3) If one accidentally cooked chametz on Pesach, must they kasher the dishes following Pesach, 4) Can one recite Kiddush L'Vana alone and what to do then regarding saying Shalom Aleichem, 5) If one answers kedusha during shemone esrei must he repeat shemone esrei, 6) Saying l'chaim during kiddush, 7) Using floss on Shabbos, 8) Putting garbage in a garbage truck on shabbos, 9) Skipping Baruch Hashem l'olam during maariv in order to catch up with the tzibbur.