Someone help plsss
bots will be reported

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

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2