There are 30 students in a class. 12 of the students are boys. a) Write the amountof boys in the class as a fraction in its simplest form. b) Write the amount of girls in the class as a fraction in its simplest form.

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

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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?