Answer:
See below 
Step-by-step explanation:
To change C to F°
 F = 9/5 C + 32 
 = 9/5 ( 45) + 32 = 113° F
To change F to C° <= you could use the same equation...or re-earrange to:
C = 5/9 (F-32) 
 = 5/9 ( 98.6 - 32) = 37° C
Similarly 
100 C = 212 ° F
 to change C ° to K add 273.15 = 373.15 K