5. Suppose the radian measure for an angle is = -67/5. What is the degree measure for this angle? (a) a = 150 (b) a = -216 (c) a = 360 (d) a = -150 (e) a = 2160 Problems 6 and 7 refer to the following situation. You decide to rent a car from a company that charges a $25.50 rental fee plus $0.05 per mile for every mile the car is driven. 6. Which of the following statements are true? (a) The rate charged per mile driven is a fixed quantity (b) The rental fee is a fixed quantity (c) The cost of renting the car is a fixed quantity (d) Both (a) and (b) are true. (e) Both (b) and (c) are true. 7. Let d be the miles driven in the rental car, and let c be the cost in dollars of renting the car. Which of the following formulas is correct? (a) Ad = .05Ac (b) d = 25.50 + .05c Ac (C) Ad = .05 (d) Both (a) and (b) are true. (e) Both (b) and (c) are true. 8. A particular cookie recipe calls for one cup of flour to start, along with an additional one-half cup of four for every cup of sugar. Let a represent the amount of flour used (measured in cups) and let y be the amount of sugar used (measured in cups). Which of the following statements is true? (a) r and y are proportional. (b) Ar and Ay are proportional. (c) The y-intercept is the point (0, 0). (d) Three cups of sugar correspond to 1.5 cups of flour used. (e) All of the above statements are true