The table of ordered pairs shows the coordinates of the two points on the graph of a line. Which equation describes the line?
a. y = x + 7
c. y = -5x +2
b. y = x - 7
d. y = 5x + 2

Which of the following points is collinear with (-2,1) and (0,3)

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."