This continues RSVP’s regular Sunday column of outstanding volunteer opportunities. There are some really terrific positions open that should fit your talents. Go for them!• RSVP needs volunteers to serve as companions to seniors who are home alone during the day. These folks need a friend who will call on them from time to time and visit; maybe help with some small tasks or in some instances have lunch, play games. • Silver State Charter School is seeking math tutors to work with kids who need some extra help in pre-algebra, algebra and simple geometry. Must have patience and basic …