Which describes the pedestrian crossing sign shown?
The sign is a trapezoid because exactly one pair of
opposite sides is parallel.
The sign is a parallelogram because both pairs of
opposite sides are parallel.
The sign is a kite because both pairs of opposite
sides are congruent.
The sign is a parallelogram because at least one
pair of opposite sides is parallel.

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42