The net of a pyramid with a square base is shown below. Using the dimensions indicated, what is the surface area of the pyramid? The net indicates the pyramid has square base with an edge length of 10 and a slant height of 12. A. 240 units² B. 256 units² C. 340 units² D. 1,200 units²

Which expression is equivalent to? assume x > 0 and y > 0.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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."