Math 9:Please complete #4, 6, and 7 on p. 178 for Thursday's class.Tomorrow, we will be writing the annual Math Competition Exam.  No preparation is required.  Please come to class prepared with a pencil and a calculator. Biology 122:There will be a test on Chapter 10 on Thursday, Feb. 13.Tomorrow, you will be working on your cancer research projects.Answers to the review questions are posted below.