If John bought two shirts for the same price and a hat that cost $4.50, what was the price of each shirt if he paid a total of $18.00 for all three items? please answer this

What is the value of x in the following equation. -x ^3/2 = -27

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

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?