Answer:
In Rankine 524.07°R
In kelvin 291 K
In Fahrenheit 64.4°F
Step-by-step explanation:
We have given temperature 18°C
We have to convert this into Rankine R
From Celsius to Rankine we know that

We have to convert 18°C
So

Conversion from Celsius to kelvin
We have to convert 18°C

Conversion of Celsius to Fahrenheit