Mrs ocosta is paid 5% commission on her sales each week in addition she receives a base salary of $374 what should the amount of her sales be for the week if she hopes to make at least $600

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