(a) Volume of any Pyramid =
cubic units
(b) Sarah doesn't have to go through all the hard work as the smaller pyramid has a ratio of 2:3 to the bigger pyramid, so we get the equation, to help us solve it.

Hope that helps!
Answer: 3 x 12 Also, the answer to that is 36
Step-by-step explanation: Since you are three times older and you're 12 so we do 3 times 12.
Answer: 12 units
Step-by-step explanation:
That would be 31%, there's 13 all together and you pick the action movie they want and you divide it by 4 and round up the decimal :)