Is a numerical coefficient a constant?

What is the numerical coefficient of 'x'?

What is the numerical coefficient of '-y'?

The numerical coefficient of -3z is

Coefficient of cubical expansion of a solid is (0.000027//""^(@)C) . If the temperature is measured on Fahreheit scale, numerical value of coefficient of linear expansion of solid is

Statement (X): The literal coefficient of 2x is x. Statement (Y): The numerical coefficient of 9x^2 yz is 2.Statement (Z): 7x^2 , 4x are like terms.

What is the numerical value of the gas constant R- in J mol^(-1) K^(-1) ?

The Numerical coefficient of- y^2 is _________

The numerical value of coefficient of linear expansion is independent of units of (a) length (b) temperature ( c) area (d) mass