acknowledgment for maths assignment

00:59

2:40

3:45

2:51

5:39

10:29

9:00

10:34

1:15

1:48

3:30

1:29

6:16

1:18:14

1:12:09

13:35

2:27:29

14:57

7:28

5:14

00:55

5:16

2:45

2:17

10:06

6:04

3:07

11:41

3:33

3:59:44

17:53

15:02

2:56

1:18

9:49

25:22

4:07

13:28

38:07

34:44

24:43

21:11

13:10

3:17

1:54

3:43

2:31

3:10

7:39

22:31

13:10

11:48

38:39

5:00

4:22

1:14:27

29:05

19:55

25:08

3:22