Being timed! Which is the equation of a parabola with Vertex (0, 0) and directrix x = -2?
A) y²= 8x
B) y²= -8x
C) x²= -8y
D) x²= 8y

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.

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.