11-12-2009_____cq_1_242

11-12-2009_____assignment_23_open_quar

11-12-2009_____assignment_23_open_quer

11-12-2009_____assignment_24_open_quer

11-12-2009_____assign_25_open_qa

12-02-2009_____assign_29_open_qa

12-08-2009_____assg_31_open_qua

12-08-2009_____assg_30

12-15-2009_____assign_32

12-16-2009_____assig_33