The value for m is -5
Putting the x⁵ on the denominator is just a way to get rid of the negative exponent.
You can name Plane P, many different ways,
Assuming you are asking this out of a textbook staring at a figure of a Parallelogram, their are probably points inside that shape and the way you would name it would be naming using any three points in the plane that are NOT on the same line in any order. <span />
i can't really see the image but i'm sure it's pretty cool (:
