Homework: ... Question 9, 10.IR.22 HW Score: 55.15%, 68.93 of 125 points Part 5 of 5 Points: 0.2 of 1 Save Let n be the number of oil refineries at t years since 2005. A reasonable model of the number of oil refineries is n = - 3.91t + 177.58. a. What is the slope? What does it mean in this situation? b. What is the n-intercept? What does it mean in this situation? c. Predict the number of refineries in 2020. D. It means the number of refineries in 2005 was about 3.91. b. What is the n-intercept? (0,177.58) (Type an ordered pair.) What does the n-intercept mean in this situation? O A. It means that the number of refineries are decreasing by about 3.91 per year. O B. It means the number of refineries in 2005 was about 3.91. C. It means the number of refineries in 2005 was about 177.58. O D. It means that the number of refineries are decreasing by about 177 58 per year. c. Predict the number of refineries in 2020 The number of refineries will be about (Round to the nearest whole number as needed.)