Teslim is designing a cover for a book. He wants to have a rectangular grid with x^2-10x+21 squares in it, for some positive whole number x. What are the possible side lengths for the grid?

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?

In a rectangle klmn, km = 6x + 16 and ln = 49. find the value of x

What is the value of x in the equation 3x4y65, when y=4?