Interpret the meaning if row relative frequencies are not the same for all rows of a two-way table. there is an association between the two variables. there is not an association between the two variables. the survey was invalid. the bivariate data is statistical and categorical.

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.

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%

How many roots does the graphed polynomial function have? 1-02