ok is there more info about it
Answer:
x^2-49
Step-by-step explanation:
first you have to combine like terms
//hope this helps//
-40, -41, -42, -43, -44,-45, -46
Answer:
I believe that the answer is option B.
Step-by-step explanation:
Answer:
The surface area of the sphere is = 
Step-by-step explanation:
The area of a sphere can be calculated using this formula:

However, we have a little problem: we do not have our radius yet to utilize in the formula above.
We can get our radius from the circumference of the circle which has been given to us.
circumference = 

We now have our radius. we can input it into equation 1 above
The Surface area of sphere = 