1 0.88

2

3 x < 1

4 -6

5 (a) (p - 2q)(p + 2q) (b)

6 h = 2L + t

7

8

Other diagrams are possible eg Back-to-back stem and leaf diagram,

9 x = 4 or x = -1

10

11 y²

12

13 (a) 4p + 3g = 130 (b) 2p + 4g = 120

(c) 92 pence (1 peach: 16 pence ; 1 grapefruit: 22 pence)

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