Lena placed a dot on each vertex (corner) of this cube.

How many dots did she use?

Lena placed a dot on each vertex of this cube: lena will use 8 dots for the 8 vertices on the cube.

If lena wants to draw a smiley face on each face of the cube, she will draw 6 smiley faces to cover all the six faces of the cube

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.