Which inequality has an arrow pointing to the left when the solution set is graphed on a number line?

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

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?