Answer: C
Step-by-step explanation:
Ap3x
Answer:
The height of the pyramid is 
Step-by-step explanation:
we know that
The volume of a square pyramid is equal to

we have


substitute and solve for h



The solution to this would be x=2, y=-2
Y is directly proportional to x and therefore takes the form y=kx where k is the constant of proportionality.
Dividing both sides by x for the given values, k becomes 18/4 = 4.5
Your answer is $29.13 I hope this helped, I apologize for the late response!