Seeing as we didn't get to Section 12.4, the homework due next Wednesday (September 2, 2015) covers only Sections 12.1 to Section 12.3.

Section	Exercises
12.1	p.777: 1, 7, 13, 17, 23, 31, 35, 40, 47, 52, 54, 55
12.2	p.786: 5, 18, 23, 25, 31, 33, 39, 42, 43, 47, 53, 62, 67-70, p. 845: 1 in addition, for the vectors \(\vec{a}\), \(\vec{b}\) of p.786, Ex.5, write \(\vec{a}\) as the sum of a vector parallel to \(\vec{b}\) and another vector perpendicular to \(\vec{b}\).
12.3	p.794: 3, 5, 7, 11, 15, 17, 19, 21, 23, 29,30, 36, p. 845: 5