U. s postal service regulations state that a package can be mailed using parcel post rates is it weighs no more that 70 pounds. what is the maximum number of books weighing 12 pounds each that can be mailed in one box using parcel post rates

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."

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

The function models the number of accidents per 50 million miles driven as a function