The two elements found in a sample of this gas are and

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

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Ithink i know it but i want to be sure so can you me out ?