A bag contains 8 red. 3 blue and 13 yellow discs. A disc is selected at random from the bag.
What is the probability that the dise selected is!
(i) red (ii) blue (ii) yellow (iv) not yellow?

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares