mensuration is taking the measurement of something's area,volume, etc.
it is when you cube something in maths
In maths, something that is quadratic is squared. So a quadratic equation will have X squared in it.
Equivalent means equal to something.
Mean can either mean, average (maths), a horrible personality or when explaining something.
It is a term used it probability which mean the frequency of something occuring
It is the amount of three dimensional space occupied by a 3-d shape.
If you mean cc as in from a motorbike it stands for centimetres cubed. It is a unit of Volume. 1 cc = 1 ml
it means a type of number that equals something
with maths
It means that something is made up of several smaller things.
volume=mass\density