Answer:
Neither, x can be a negative number as well. If there is context, please post more to the question.
Step-by-step explanation:
Answer:
there are 11 blue balloons and 16 yellow balloons
Hello!
The radius is the square root of the number right to the equal sign.
In this case that number is 169.
The square root of 169 is 13.
Hope this helped!