Elena packed 48 cubes.
Each cube has an edge of 1 centimeter.
The number of layers that Elena can make depends on how each layer is arranged and depends on how many cubes are there in a layer.
Assume that each layer has only 1 cube, then there are 48 layers.
The answer to this question is
9lx−6x^2+6
It not 91 it the letter L just lower case
Independent: cell phone plan
dependent: monthly cost
constant: per month/per minute (money)
