Which of the equations below could be the equation of this parabola? Vertex (0, 0) A. Y = -4x2
B. x = 4/2
C. = 4x2
D = -4X2

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

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?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.