Answer:
8.28%
Step-by-step explanation:
According to the U.S. Census Bureau, the legal official department in charge of the National Census every ten years, the population of the U.S.A in 2010 was<em> 308,745,538 inhabitants.</em>
If about 25,585,000 had diabetes, then <em>cross multiplying</em>
308,745,538-------100%
25,585,000---------x%
and

and so, about

Americans had diabetes in 2010.
They can be derived by using calculus(integration to be precise)


(its how pi is defined)
so that gives circumference
to get area , you use integration


that gives the area.
if you don't know calculus yet ,dont worry, just remember the formulae.
The GCF is the biggest factor between two or more numbers. For example, the greatest common factor of 21 and 14 is 7 because its the greatest factor that both numbers have in common.
*+:。.。15。.。:+*
✧・゚: *✧・゚:* 52.5 divided by 3.5= 15 c: hope this helps! ♡ *:・゚✧*:・゚✧