Shelly and terrence earned points in a game by completing various tasks. shelly completed x tasks and scored 90 points on each one. the expression below shows terrence's total points in the game: . 90x - 20. what does the constant term of the expression represent? . the total points terrence earned. the total number of tasks terrence completed. the sum of shelly and terrence's total points. the difference between shelly and terrence's total points @rimshaa