A real world example of a cubic function might be the change in volume of a cube or sphere, depending on the change in the dimensions of a side or radius, respectively.
The Equator is a real world example, being the circumference of the Earth.
a shoebox with a lenght of 10 inches a width of 8 and a height of 4
Of what?
where could you find a pentagon in the real world
Example is too omitted to be real. Example is much more unresponsive
The development of resistance to antibiotics by bacteria is a real world example of evolution.
a cabinet
beer
An example of a real world rate is 45630.19106 debt per capita (person).
a takeout box
roof