Q

Level 3

Level 4

Level 5

Level 6

Level 7

1

30

48

29 and 31

14508

About 6000

2

24

£1. 44

213

7

Smaller

3

21

60

11782

24 to 26

About 20

4

-5

50700

3000p

0.0046

n² + 1

5

13, 16

6

£26.80

correlation

6

31

6.3

26.375

£234.43

1900-2100

7

£12.40

1,2,3,4,6,12

216

5n + 2

x $ 4

8

Fifty

20,25,30,35,40

16000

B = 69

3.5

9

£6, £4

2m to 3m

2.28

28 7

9.35

10

6

Add 6

10.5 to 12

56

11

50

3

5.42

3.92

12

6

130

56E

496

Bigger

13

Parallelogram

12 and 9

73

-2n + 22

x < -2

14

(d) 14 seconds

75%, 3

76000

55

25

15

(c) metres

6

6.2p

0.87

5

16

10:45

-22

1,2,4,7,14,28

80

17

£302

Rhombus

24.25

£4.50

72

18

-10,0,5,7

10:45

20 to 22

75 to 80

12

19

34

(d) 150

41

26

216

20

£1.10

1.15, 8.85

11.60

54-27-9

-4 # x # 4