1. 3x = 42 2. x ➗ 5 = 24 3. x ➗ 2.1 = 4.4 4. 5x = 80

5. 88 = x ➗ 2.2 6. 1.4x = 15.4

7x = 54.6 8. 144 = x ➗ 3.1

9. x ➗ 7.5 = 3.5 10. 2.64 = 0.4x

11. 13x = 117 12. x ➗ 3 = 0.67

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