Answer:
sorry I don't know the answer
Step-by-step explanation:
if I will know the answer I will see it
Answer:
true, to my knowledge concentric circles are just circles that all have one main center.
Step-by-step explanation:

Subtract 10 from both sides.

Since the square of a number, x, equals a negative number, -1, the answer cannot be a real number because the square of a real number is always non-negative. Therefore, there is no real number solution to this equation.
Answer: <span>B. no real number solutions</span>