Apply the square root principle to solve (x – 5)2 – 40 = 0. Question 14 options: A) x = –5 + 2√10 , x = –5 – 2√10 B) x = –5 + 2i√10, x = –5 – 2i √10 C) x = 5 + 2√10 , x = 5 – 2√10 D) x = 5 + 2i√10 , x = 5 – 2i√10

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."

Which statement justifies why angle ebc measures 90?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost