Calculate s58 for the arithmetic sequence {an}= {5/6n+1/3} if you could show me the steps that would be great. i keep following the directions in the lesson and getting 8,613/6 but all i have to choose from for answers are 146/3 91/2 8671/6 9267/6

Look at attachment. has all info needed. need

Convert 2000 swiss francs to dutch guilders

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."