Answer:
r=28.27 cm aprox
Step-by-step explanation:
Well you know that the area of a circle is A= 
so
2511=
so
=2511/
r=28.27 cm aprox
This is a diffficult question was there a chart
Answer:
$400
Step-by-step explanation:
all you do is add 320+540+230+450+280+580/6 and the asnwe comes out to 400
The answer is 95% because 19/20 equals 0.95 and 0.95*100 equals 95%