Answer $\underline{\text { ALL }}$ questions. This section carries 40 marks. Question A1 Solve the equations $7 c+2 d=2$ $$ 5 C-6 d=7 $$ Question A2 In a bag, there are $x$ red beads and $y$ blue beads. Two beads are drawn from the bag, one after the other, with no replacement. Write down, in terms of $x$ and $y$, the probability that both beads are red. (You do [3] not have to simplify your answer). CS.VS. 1438||