Answer:
what is the height of the cone
Step-by-step explanation:
Given the equation of a circle in the form

You have that
is the center, and
is the radius.
So, in your case, the center is
and the radius is 5.
<h2>
Hello!</h2>
The answer is:
The second option,
b.) 
<h2>
Why?</h2>
We are given the functions E(x) and K(x), since they both are function of the same variable, we need to add them in order to find the correct option.
From the statement we know the functions:

and

So, adding the functions we have:




Hence, the answer is the second option,
b.) 
Have a nice day!
Answer:
first one : (7+12+3+4+4+8)*2=76