It has to do with the number of dimensions you have in the figure. For example, in a square you have 2 dimensions, length and width. Since you have only two you use units^2. In a cube, you have 3 dimensions, length, width and height, which is where you get the units^3.
Answer:
4
step by step if she has 7 cups and already put in 3
7-3=4
First what do u not understand. which part do u not understand
