John counted 127 dogs, of which 52 were off leash playing. Of the 52, 10 were Retrievers. He saw a total of 35 Retrievers.

What is (28 + 7 + 6 + 3) x 1/2 show your work

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

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?