B. Write C if the given is a constant and V if it is a variable.
1. 18
2.x
3. -56
4. abc
3
5.
C. State whether the following statement is true or false.
1. The coefficient in 50x is 50.
2. In 2x + 1, the only numerical coefficient is 1.
3. The literal coefficients of 3 - 4x + 8x are x and r.
4. The numerical coefficient of io is o.
5. In 3 - 18x, the numerical coefficients are 3 and -18.​