Answer:
We are given an expression and we are told to simplify it using distribution or multiplying it out.



Therefore, our final answer is 
<u><em>Hope this helps!</em></u>
Answer:
first calculate the area of the arch using:
O/360×πr2
O represents theta
second calculate the area of the circle using πr2
finally minus the answer gotten from the two different areas
thats how u get the area of the shaded area
Answer:
This is true.
Step-by-step explanation:
I hope this helped you! :)
X=15. This is the Altitude theorem which is Altitude/Part = Altitude/Other part. In this question you would set up the proportion 9/X = X/25 and multiply cross products to get 225=X^2. Then you undo X^2 by doing the square route of 225 and then you get 15 as the final answer.