Which property of quadrilaterals inscribed in a circle can be used to find value of X in the figure below? A. The difference between an opposite pair of angles 180°.

B. The difference between an opposite a pair of angles is 0°.

C. The some of an opposite pair of angles is 180°.

D. The sum of an opposite pair of angles is 360°.

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?