What are the steps to make a graph?

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

The table above shows approximate conversions from gallons to liters. what is the value of x?

What is the value of x in the following equation. -x ^3/2 = -27