Answer:
option C. 
Step-by-step explanation:
we know that
The volume of the triangular pyramid is equal to

where
B is the area of the triangular base
h is the height of the pyramid
In this problem we have


substitute in the formula

-6,-7, and -8, this is more of a guess and check question
Jamal's age is 5 because Tim is 3 years younger which is 2 and add those two together and you get 7 and Wilma is twice his age so 10 and add the others
Since a whole recipe asks for 4 1/2 pounds of chicken, then for a 1/2 recipe, you divide 4 1/2 by 2.
It’s easier to turn 4 1/2 to 4.50
4.50/2 = 2.25 or 2 1/4
You need 2 1/4 pounds of chicken for 1/2 of a recipe.
Compute the division left to right first, and then the addition/subtraction left to right!