Atrampoline bounce place charges a $10 entry fee and an hourly rate for bouncing on their trampolines. which equation represents the cost, c , and the number of hours, h ?

a. c = 10h
b. c = 3h + 10
c. = 13h
d. c = 10 + h

For what value of x does 4x = (1/8) x + 5?

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."

Find the area of the regular hexagon if a side is 20 cm.