Answer:
D 81 pi units^2
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi *r
18 pi = 2 * pi *r
Divide each side by 2 * pi
18 pi / (2 pi) = 2 pi * r/ (2 pi)
9 = r
Now we can find the area. Area is given by
A = pi r^2
A = pi * 9^2
A = 81 pi units^2
Solving the equation 
we get 
Step-by-step explanation:
We need to solve the equation and find value of x
Solving:
So, solving the equation we get
Keywords: Solving Equations
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No actually you can just multiply both sides of the equation by 2 and get y-4=20. then add 4 to both sides to get y=24.
I'd say A. 8000, because you'd get the most answers and the biggest variety in answers for a more accurate sample.
Step-by-step explanation:
remember the priorities of the different mathematical operations
1. brackets
2. exponents
3. multiplications and divisions
4. additions and subtractions
so,
14 + 14/7 = 14 + 2 = 16
