Darren is laying pavement blocks on the footpath. What information does Darren need? A. the perimeter of a pavement block and the perimeter of the footpath B. the volume of a pavement block and the volume of the footpath
C. the area of a pavement block and the area of the footpath

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?