<span>3,000,000 + 5,000 + 20 + 6 = 3,005,026
</span>
Mr. Smith has 5 children, since each of the 4 daughters share the same 1 brother.
<u><em>Answer: r=12.3 *The answer must have a positive sign or decimal point.*</em></u>
Explanation:
First, you had to do is add 17.1 from both sides of an equation.

And then, simplify by equation.

You can also add by the numbers.


Hope this helps!
The radius is 9. U just need to do the circumference divided by 2