18 pg 139 ex. 4
19 pg 150 ex.74
20 Pg139 ex. 5
For 2B
A
|
B
|
C
|
D
|
E
|
13
|
6
|
31
|
8
|
29
|
9
|
31
|
20
|
25
|
17
|
5
|
18
|
29
|
27
|
25
|
31
|
27
|
4
|
11
|
28
|
17
|
3
|
5
|
30
|
31
|
3
|
10
|
12
|
9
|
18
|
15
|
30
|
28
|
29
|
16
|
19
|
26
|
15
|
10
|
20
|
1
|
7
|
30
|
28
|
26
|
29
|
19
|
23
|
15
|
30
|
25
|
22
|
6
|
31
|
23
|
7
|
11
|
13
|
12
|
19
|
21
|
2
|
14
|
26
|
22
|
11
|
23
|
22
|
13
|
27
|
27
|
15
|
7
|
24
|
21
|
23
|
14
|
21
|
14
|
24
|