There will be 175 guests at a wedding. instead of a wedding cake, the bride wants to serve cheesecake. if each cheesecake serves 12 people, how many should she order? a0 cheesecakes

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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.