2. you have just signed an annual contract with telus for a cell phone. the base rate is $22 per month and $0.44 per minute. there are no free minutes included with this contract. a) write a linear equation in which y represents the total cost for the cell phone per month and x represents the number of minutes spend on the phone each month.

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."

Evaluate cos2θ for cosθ = square root of 3/2

Pranza plotted point a in the coordinate plane below.