If anybody could help with this question I would appreciate it so much!!

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

Y+ 2/y is it a polynomial in one variable or not? and if so, why?