algebra, 6/11

a-c block:  1) sheet 6.1C, #3-17, 22-26
                  2) sheet 6.2C, #1-14
                  3) quiz 6.1-6.2 on Thursday

d-block:   1) pg. 544-545, #15-21, 25
                2) prac. 9.6B, #5-12