Which of the following best describes the volume of a solid? A. It is the total area of the exterior surface of the solid.
B. It is the distance around the base of the figure.
C. It is the sum of the base area plus the lateral area of the solid.
D. It is the amount of three-dimensional space inside the solid.​

i believe a. 12x≥120 is the answer

      2

  2 is to go somewhat to the top right of a because it is squared    

v= a h/3

emily solved for a part when she should have solved for the whole. 875,000 should be the numerator of the equivalent ratio. 70 x 12,500 is 875,000. so the answer is 100 x 12,500 which is 1,250,000.