Which of the following points are solutions to the system of inequalities shown below?
check all that apply .
x + y < 4 + 3 y > 4
(3, 6)
(2, -1)
(1, 5)
(1, 1)
(-1, 8)
(2, 8)

What number produces an irrational number when multiplied by -1.25

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

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."