question_answer

The temperature of city A is\[\text{-34  }\!\!{}^\circ\!\!\text{ C}\]. It falls by\[\text{18 }\!\!{}^\circ\!\!\text{ C}\]. What is the temperature after the fail?

A) \[\text{-34 }\!\!{}^\circ\!\!\text{ C + 18  }\!\!{}^\circ\!\!\text{ C}\]

B) \[\text{-34  }\!\!{}^\circ\!\!\text{ C - 18  }\!\!{}^\circ\!\!\text{ C}\]  

C) \[18{}^\circ \text{C}-34{}^\circ \text{C}\]            

D) \[\text{34 }\!\!{}^\circ\!\!\text{ C-18 }\!\!{}^\circ\!\!\text{ C}\]