Answer:
<h2>r = 8</h2>
Step-by-step explanation:
The standard form of an equation of a circle:

(h, k) - center
r - radius
We have the equation:

Therefore the center is (0, 0) and the radius r = 8
Answer: B !
Step-by-step explanation:
The sum (addition) of -2 and 3 times (3 ·) a number (n)
-2 + 3n
Answer:
0.2 = 2/9
Step-by-step explanation:
Hope my answer has helped you!
When adding fractions you need to get common denominators then you multiply too times bottom and then boom add and there you go