Which of the Following Formulas Relating Temperatures on the Celsius $\degree$

Multiple Choice

Which of the following formulas relating temperatures on the Celsius and Fahrenheit scales is correct?

A) T_c = (5/9) (T_F - 32 $\degree$ )
B) T_c = (5/9) (T_F + 32 $\degree$ )
C) T_c = (9/5) (T_F - 32 $\degree$ )
D) T_c = (9/5) (T_F + 32 $\degree$ )