algebra, 3/20

a-c block:  1) pg. 356, #22-26, 32-35
                 2) pg. 343, #22-33
                 3) study for Tues. quiz on 6.1-6.2

d-block:  pg. 408-409, # 6-12, 17-21, 42, 43
               use the substitution method