Mass is actually a physical concept and is a measure of the amount of matter in an object.
In maths matter normally refers to the mass of an object
'oz' is shoer for 'ounces'. Ounces is an Imperial measure of mass. e.g. 16 oz = 1 lb(pound (mass)).
A expression in maths is a collection of terms without an equality sign.
division
What symbol
Related to.
Adding
"tenth"
direction
circle
The mean is usually the arithmetic mean - there are other means in maths. For a set of numbers, the arithmetic mean is the sum of the numbers divided by the number of numbers.
it mean have to divide it i think