It means finding the value of the expression.
They are both expressions.
It means to find the numerical value of the expression.
None of the expressions on that list is a numerical one.
Calculating the value of the expression when you have substituted numerical values for the variables.
These two are both similar because they are both expressions.
no it is totally no !
That means that the two expressions represent the same number.
They both use PEMDAS or Order of Operation