Find the next two terms of the following sequences and determine the term-to-term rule.
1) 3, 13, 23, 33
2) 21, 14, 7, 0
3) 5, 7, 9, 11
4) 2. 6.
18.

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