Question
What is one supposed to do if he does not remember whether or not he davened Mincha or Maariv and he is still within the window of time to do so?

Question
Does paying for one's children for things like food, clothes, school etc count towards the 10% of charity?

Question
Can the coffee grinder we use during the year be used on Pesach? It has only been used for unflavored / non-decaf beans. We are Sepharadi, as well.