Please help I am taking a test! I will reward brainiest if you are correct (the picture is attached) for number 11!!

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

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

Does the point (1, sqrt 7) lie on circle shown.