What should always be the first step you take when factoring an expression? Make an X.
1
Look for a Greatest Common Factor.
2

Look for 2 values that multiply to the top value of the X and add to the bottom value.
Multiply the a value times the c value.
3

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?