25 + 100i is correct because -5 squared is 25 and the the square root of -100 is 100i or 10i in its simplest form.
-117 must be added to complete the square.
You would divide the diameter in half to get the radius which is 4. And do the formula which is a=pie(r) squared. So the answer would be 50.24
Answer:
i am sorry i have no idea sorry
Answer:
answer d 242 square feet
Step-by-step explanation: