A pyramid has square base with side s. The height of the pyramid is 2/3 that of lts side. What Is the expression for the volume of the pyramid?
A. V=2s^2
B. V=2s^3
C. V=2/3s^2
D. V=2/9s^3
E. V=1/3s^3

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