You have the choice of logging on at one of two internet cafés. their posted rates are as follows: log-on café: $5.50 plus $0.15 for every minute online ecafé: $4.00 plus $0.20 for every minute online which café is the best option if you plan on using the internet for 45 minutes? what is the equation that relates the number of minutes used and the total cost, and how much money will you save?

What is the quotient of -3/8and-1/3?

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."

How do i do this activity, is appreciated