*please help I'm having a bad day today* :( Ms. Benson is making a jewelry box using 2 identical square pieces of wood and 4 identical rectangular pieces of wood, as shown below.

What is the surface area of the jewelry box?

A. 21 in
B. 30 in
C. 84 in
D. 102 in

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