two angles are complementary of the sum of their measures is 90 degree. The measure of the first angle is x degree and the second angle is 38 degrees less than three times the first. find the measure of the two angles

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."

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.