Consider the expressions 9p − 3 and 6p. Which statement is true?
A.
The two expressions are equivalent because when p = 1, the values of the expressions are same.
B.
The two expressions are not equivalent because when p = 4, the values of the expressions are different.
C.
The two expressions are equivalent because they have the same value regardless of the number substituted in for p.
D.
The two expressions are not equivalent because they have different coefficients.