Answer:

Step-by-step explanation:
We are given the two functions:

And we want to find:

This is equivalent to:

By substitution:

Rearranging yields:

Combine like terms:

Hence:

Answer:
See below.
Step-by-step explanation:
It would take a long time to explain . There is a good method called Newton's method which involves graphs of the type
y = x^3 - n and applying calculus to produce cycles of approximation until you'll get close to the required cubic root.
You'll find it on online videos.
Answer:
WHERES THE PICTURE???
Step-by-step explanation:
Then, it would be: 75*3*4 = $900