Lucy’s parents built a swimming pool in the backyard. Use 3.14 for π. What is the distance around the pool? The distance around the pool is
131.4/ 162.8/ 957/ 1114 feet.

What is the area of the pool? The area is 131.4/ 162.8/ 957/ 1114 square feet.

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."

Identify the number 127 as a rational or irrational. explain

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.