Carlos went to gas station A and paid $54 for 25 gallons. Sasha went to gas station B and paid $31.25 for 15 gallons. Which one is the better deal ?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth