Solve problems:

• Section 9.1 (solve both problems here using a geometric approach, i.e.,  by drawing the feasible set.)
• Problem 1
• Problem 2
• Section 9.2
• redo Problem 1, section 9.1 now using the algebraic approach with slack variables.

• Section 13.1
• Problem 2
• Problem 7
• Section 13.2
• Problem 1
• Problem 4