which of the following square pyramids have a volume of 24 mm. choose all that apply

a square pyramid with a side length of 9 mm and a height of 8 mm
a square pyramid with a side length of 3 mm and a height of 8 mm
a square pyramid with a side length of 2 mm and a height of 18 mm
a square pyramid with a side length of 6 mm and a height of 4 mm

Respuesta :

the second and last one. 
6 times four = 24 
3 times 8 = 24