i need this answer A.S.A.P

what is the volume of pyramid C if the volume of pyramid D is 4608 m cubed and the height of pyramid D is 24 and the height of pyramid C is 12

No way to tell.

If C has the same base area as D, then since its height is 1/2 as big, so is its volume.

However, if C is similar to D, then all the dimensions are cut in half, so the volume is (1/2)^3 = 1/8 as much.