Area = r^2 x PI
to find r take the square root of the area:
r = √100 = 10
The circumference of a circle is the diameter times PI.
The diameter is 2 times r = 2 x 10 = 20
The circumference = 20PI m
The answer is C.
Answer:
-2/5
Step-by-step explanation:

Expand parentheses:

Hope this helps!
I can! What problem do u need help on
(1 2/5)(x)=7
Simplify both sides of the equation.
7/5x=7
Multiply both sides by 5/7.
(5/7)*(7/5x)=(5/7)*(7)
x=5