Answer:
Math-way
Step-by-step explanation:
I'd do it for you right now if you wanted but it'd be much faster if you did it, It's is perfect for this problem
Answer:
the correct answer is 6561
Answer: h=7
Step-by-step explanation:
By definition the function in vertex form is:

Where (h,k) is the vertex of the parabola.
You must group the terms that contain the same variable in the function:

Complete the square as following:

Now you must rewrite it as following:

Then:
h=7
The formula is length*width*height. Your answer is 105 inches