Given that tan(x) - 3/2, what is the value of tan(2x)?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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?

Which of the following circles have their centers on the x-axis? check all that apply.