Pleasee help find the equation

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

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the