Which step did the student make a mistake?

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

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)

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?