At 6 a.m., the air temperature was 20°F and the wind speed was 55 mi/hr. What was the wind chill temperature at 6 a.m.?

At noon, the air temperature was 15°F and the wind speed was 45 mi/hr. At what air temperature and wind speed would the wind chill temperature be the opposite of what it was at noon?

The wind was blowing 35 mi/hr in both Ashton and Fenton. The wind chill temperatures in the two towns were opposites. If the air temperature in Ashton was 25°F, what was the air temperature in Fenton?

Sense or Nonsense? Claudia states that the opposite of any integer is always a different number than the integer. Is Claudia’s statement sense or nonsense? Explain.

For numbers 20a−20d, choose Yes or No to indicate whether the situation can be represented by a negative number.

20a. Death Valley is located 282 feet below sea level.

20b. Austin’s golf score was 3 strokes below par.

20c. The average temperature in Santa Monica in August is 75°F. 

20d. Janai withdraws $20 from her bank account.