algebra, 2/27

a-c block:   pg. 244-245,
                  #22-33 (rise/run=, y-int. = , AND GRAPH)
                  # 34-45 (put in function form, y=,  DON'T GRAPH)

d-block:  pg. 282-284, # 12-14, 26-28, 38-40, 42-45, 48-50