Agardener combines x fluid oz od a 20 % liquid fertilizer and 80 % water mix with y fluid oz of a 5 % liquid fertilizer and 95 % water mix to make 30 fluid oz of a 10 % fertilizer and 90 % water mix. write and solve the system of linear equations-

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