You graph the number of times you go to the movies as one variable and the total amount of money you spend on movie tickets as the other variable. What type of slope would you expect the trend line to have? A. positive
B. negative
C. near zero
D. cannot be determined

An equation of a trend line is y=2.41x−67.66, where x is degrees north latitude and y is average annual snowfall in inches. Use this equation to estimate the average annual snowfall in Dodge City, Kansas, which has a latitude of 38 degrees north.
A. 23.92 inches
B. 32.07 inches
C. 108.07 inches
D. 159.24 inches

In the Gizmo, the equation for the trend line between latitude and average temperature is y=−1.27x+104.28 (x = degrees north latitude and y = average temperature in degrees Fahrenheit). Estimate the average temperature in Omaha, Nebraska, which has a latitude of 41 degrees north.
A. 5.47 degrees Fahrenheit
B. 52.21 degrees Fahrenheit
C. 63.28 degrees Fahrenheit
D. 156.35 degrees Fahrenheit