A translation moves point v(-2,3) to V'(-2,7) which are true statements about the translation?
the point moves two units left and four up
the transformation rule is (x, y) -> (x+0, y+4)
the transformation is a vertical translation
the image is four units to the left of the pre-image
the thranslation can be described as (x, y) -> (x-2, y+7)

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?