The second one and the 4th one are the correct answers, if I'm not mistaken
Answer:
The answer is 25
Step-by-step explanation:
The given equation of sphere is
We have to use completing the square method , and in that method, we have to divide 12x ,-4y,2z by 2, square the results, and add the reult obtained after squaring to both sides. That is
So here the center is (-6,2,-1) and radius is 2 .
False because for example using order of operation:
3-4*2= -5
But not using order of operation:
3-4*2=-1