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
Step-by-step explanation:
4a² - 8ab + 4b²
= (2a)² - 2 * 2a * 2b + (2b) ²
= (2a - 2b) ²
Hope it helps :)
The quotient is 0.20125.
Solution:
Divide .03220 by .16
This can be written as

To divide this, we first remove the decimal term.
To remove decimal in denominator multiply and divide by 100.

Now, divide 3.22 by 16.
The quotient is 0.20125.
The image of the long division is attached below.
Answer:
(x, y)
(-1,0)
since the rest of the points aren't in the multiple choice well it's (-1,0)