Answer:
D
Explanation:
Definition of Constant : A numerical number that is there with nothing (integer)
Definition of Coefficient: a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
In a.) the sum of the constants is 10 while the sum of the coefficients is also 10
In b.) the sum of the constants is 8 while the sum of the coefficients is also 8
In c.) the sum of the constants is 10 while the sum of the coefficient is 12
In d.) the sum of the constants is 11 while the sum of the coefficient is 10