Diego is building a kitchen table and a coffee table. the legs of a kitchen table must be twice the height of a coffee table and there are 4 legs on each table. he writes the expression 4(2x) + 4(x) to model his building plans. what does the coefficient of 4 represent? a. 4 represents the height of one kitchen table leg. b. 4 represents the number of legs on each table. c. 4 represents the height of one coffee table leg. d. 4 represents the total number of table legs.