I need help fast please thank you

For which pair of functions is (gof)(a)=|a|-2?

What is x3+3x2−16x−48 divided by x−1?

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)