What is the numerical coefficient of '-y'?

What is the numerical coefficient of 'x'?

What is the literal coefficient of -3z?

The numerical coefficient of -3z 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.

The literal coefficient of-y is

Is a numerical coefficient a constant?

The Numerical coefficient of (-3) /2xy^2z^3

The Numerical coefficient of- y^2 is _________