3 Some dimensions of a heptagonal prism are shown in the diagram. 8.4 om
13.7 cm
What value best represents the total surface area of the heptagonal prism?
A 806 cm2
B 1,028 cm2
C 1,318 cm2
D 1,062 cm?

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