Eli invested a total of $2000 in two stocks. one stock cost $18.50 per share, and the other cost $10.40 per share. eli bought a total of 130 shares. write and solve a system of equations to find how many shares of each stock eli bought.

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