a regression equation is stated as Y= $1450 + $72(X). which of the following describes the y-intercept of the relationship? a. when independent variable is $0, the dependent variable is $1450 b. when the independent variable is $1450, dependent variable is $0 c. when independent variable is $0, dependent variable is $72 d. when the dependent variable is $0, independent variable is $1450 e. when the dependent variable is $0, the independeny variable is $72