Which statement most accurately describes why the division property of exponents does not apply to the expression x^-2/y^-2?
a.
the division property of exponents does not apply to variables.
b.
the division property of exponents only applies to numbers with different exponents.
c.
the division property of exponents does not apply to negative exponents.
d.
the division property of exponents only applies when dividing powers of the same base.

Name the most appropriate metric unit for each measurement

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."

How do i do this activity, is appreciated