1.   How many minutes would you have to exercise each day to have a resting heart rate of 60 beats per minute?
   
    A. 30 minutes B. 60 minutes
    C. 10 minutes D. 20 minutes
    Hint

  2.   What would you predict your heart rate would be if you exercise 40 minutes per day?
   
    A. 0 B. 50
    C. 120 D. 10
    Hint

  3.   How can a line graph be used to make predictions?
    A. It has a title.
    B. It has vertical and horizontal scales.
    C. It shows a trend over time.
    D. It displays data.
    Hint

  4.   Jordan runs 2 miles every day. He is tracking his progress on the graph below. Describe the trend in his running times over the last six months.
   
    A. There is no relationship.
    B. Jordan is spending more time running every day.
    C. Jordan is running fewer miles now than when he started.
    D. It takes Jordan less time to run 2 miles now than when he started.
    Hint

  5.   In what month will Classic Comics probably begin to make more than $150 on the Internet?
   
    A. October B. November
    C. September D. December
    Hint



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