algebra, 2/1

a-c block:   pg. 230, #20-37  (have to find slope using formula (y2-y1)/(x2-x1)

d-block:   pg. 244-245, # 13 -21 (function form, write slope=, y-int=, DON'T GRAPH)
                                     # 22-33 (GRAPH these ones)
                                     # 34-38 ( function form, write slope = , y-int= , DON'T GRAPH)