Question: Should you say the words “dayanim mumchin” in hataras nedarim on Erev Rosh Hashanah?

Short Answer: Some omit the word “mumchin,” as we no longer allow a yachid mumchah” to perform hataras nedarim by himself.    

Question: How do you know which is the correct side of the doorpost to affix your mezuzah?

Short Answer: Each situation must be separately analyzed, using certain guidelines, including which way the door opens, which room has greater use, and which way people walk through the rooms.