The ratio of the number of girls to the number of boys at a school event was 9: 8. after some time, 25 of the girls left and the ratio became 1: 2. how many total students were originally at the event?

Find the value of the variable and the length of each secant segment.

Need on this geometry question. explain how you did it.

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?