1) P = {p, o, r, t, u, g, a, l}
I = {i, t, a, l, y}
(a) List the members of the set
(i) P ∩ I
F = {f, r, a, n, c, e}
(b) Is it true that I ∩ F = Ø?
Tick the appropriate box.

Explain your answer.
14)

A, B, C and D are points on a circle, centre O.
Angle ABD = 52°
(a) (i) Write down the size of angle ACD.
15) Here is a trapezium.

All measurements are in centimetres.
The area of the trapezium is 60 cm².
(a) Show that 3x² + 10x - 117 = 0
16) The probability that it will rain on Saturday is 0.8
If it rains on Saturday, the probability that it will rain on Sunday is 0.65
If it does not rain on Saturday, the probability that it will rain on Sunday is 0.4
(a) Use this information to complete the probability tree diagram.