16a. To find the amount of casserole left in the dish, use length · width · height.
12in · 12in · 2
in = 396 in³
16b. To find the amount of space in the storage container, use also length · width · height.
7in · 7in · 4in = 196 in³
The storage container will not be able to hold the leftover casserole because 396 is greater than 196.