The formula for potential energy is p = mgh, where p is potential energy, m is mass, g is gravity, and h is height. what is height h in terms of p, m, and g? a) p mg b) pm g c) m − p g d) p − m g

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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."

Whats the name of the vertical axis