Reminder: chapter 2 test on Wednesday

more review problems:

section 2.7 

• problem 12 (Example: the drawing shows 6 balls in a 2 by 3 arrangement. You could also arrange them as a 6 by 1)
• problem 13

section 2.8

• problem 15
• problem 16

section 2.8 additional problems

• problem 4
• problem 5