Reyna runs a textile company that manufactures t-shirts. the profit, p, made by the company is modeled by the function p+s squared+9s-142, where s is the number of t-shirts sold. how many t-shirts should be sold to earn a profit of more than $2000.

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