Without finding the cubes, Factorise :

(x-2y) cube +(2y-3z) cube +(3z-x) cube

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

With: label the vertices and all the elements needed. find x

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?