Please help 20 points

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

Write the equation in logarithmic form e^x=403.429

Find two numbers if their sum is 91 and the ratio is 6: 7?