Just wanted clarification. Thanks

1. Some values for the variables r and y are presented in the table below. If r and y are in a linear relationship, what is the value of y when = = 9? (a) y =0 (b) y = 7 (c) y =1 (d) y =-1 (e) y = -4 2. When we talk about a quantity associated with an object or a process, what are we talking about? (a) Some part of the object or process (b) Some attribute of the object or process that can be measured (c) The number of objects present or the number of times the process is repeated (d) The particular type of object or process being considered (e) The broadest context in which the object or process makes sense 3. Suppose a box a crackers is sitting on the kitchen table. Which of the following would be a quantity associated with the box of crackers? (a) The salt on the crackers (b) The weight in ounces of the box (c) Ten boxes of crackers (d) The cardboard in the box (e) The kitchen in which the table sits that supports the box 4. The slope of the line 3x - 4y + 8 =0 is (a) m = -4 (b) m = 3 (c) m = 3/4 (d) m = 4/3 (e) m = 85. Suppose the radian measure for an angle is 0 = -67/5. What is the degree measure for this angle? (a) a = 150 (b) a = -2160 (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