City L has a temperature of −3 °F. City M has a temperature of −7 °F. Use the number line shown to answer the questions:

[ Number line from negative 8 to positive 8 in increments of 1 is shown. ]

Part A: Write an inequality to compare the temperatures of the two cities. (3 points)

Part B: Explain what the inequality means in relation to the positions of these numbers on the number line. (4 points)

Part C: Use the number line to explain which city is warmer. (3 points)