A morning news weather segment records the morning low temperature as −5.9°F and the afternoon high temperature as 12.6°F. 
 Which expression represents the total temperature change, in degrees Fahrenheit, from the morning low to the afternoon high?
 |12.6−(−5.9)|
 |12.6+(−5.9)|
 −5.9+12.6
 12.6+(−5.9)