One side of a triangle is half the longest side. the thirds side is 12 feet less than the longest side. the perimeter is 53 feet. find all three sides.

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."

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog