please provide more informstion and the question that needs to be solved.
Answer: The answer is 
Step-by-step explanation: Given that the area of the whole circle is represented by the expression

We are to find the area of the outer ring of the circle, i.e., to find the circumference of the circle.
Now, if 'r' represents the radius of the circle, then we have

Thus, the area of the outer ring is

Answer:
Possible values of M are
{
14
×
1
,
14
×
2
,
14
×
4
Answer:
E
Step-by-step explanation:
-18x + 21 > -15
-18x > -36
x < 2
20x - 13》17
20x》40
x》2
Or is union
Union of x < 2 and x》2 is all real numbers
Answer:
2700 will be your answer.