The following data set shows the number of children in each household in Cam's neighborhood.
0, 0, 2, 1, 2, 8, 3, 0, 0
What is the most frequent number of children in a household in Cam's neighborhood?

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Factor this polynomial completely. x^2-8x+12