It is A because the radius is 10 which means that if x=0 then y must equal 10. (0,5) would be inside of the circle. If this doesn't make sense graph the circle and the points and you'll see what I mean.
Two angles that added together equal 90 degrees
Answer:
I am so confused Sorry need points.
Step-by-step explanation:
Answer:
1.) 
2.) 
Give me a comment if you want the explanation.
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2.) 





Multiply bath sides by (-13)
Step 1:(-13).a/(-13) <= -16(-13) ===> . Mistake since she the < sign into >
Step 2: a<=208 is the right answer
Step 3: The line should go from 208 to the left & not to the right