Ava is saving for a new computer that costs $1,218. She has already saved half of the money. Ava earns$14.00 per hour. How many hours must Ava work in order to save the rest of the money?

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