B
3x6=18
4x6=24
16x6=96
The second picture is 6 times bigger than the first so it's 1 to 6
Answer:

Step-by-step explanation:
OK, so basically I'm pretty sure that you add all of them together and put it as a fraction over 3 so basically
then simplify it into 
1044 is divisible by 2, 3, 6, and 9. You're welcome. ;)
Answer:
A
Step-by-step explanation:
Answer: 1575
Step-by-step explanation:
Volume of Pyramid: b*l*h/2 = 21*9*7/3 = 441
Volume of Rectangular prism = V= lwh = (21*12*9)/2 = 1134 (divide by two because it is half of a rectangular prism)
441 + 1134 = 1575