The answer would be the third option because the first two have improper word placement. Read the first two sentences out loud and you will notice how weird they sound. The third option sounds very clear which is why it is the correct option.
Answer: 5
Step-by-step explanation:
25*11=275

25 is perfect square but 11 is not so 11 stays inside the radical while 25 is changed to 5
Answer:
577,792
Step-by-step explanation:
9,028 * 64 =577,792
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Hope it helps
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Have a blessed day
Answer:

Step-by-step explanation:
you can also replace the plus sign and put ±
hope this helps and is right :)
Answer:
I cant help unless i have workable units (0.5) is not a point
but im guessing that you were trying to say (0,5) in which case its
7.07106781187
its a triangle
5 on one side
5 on the other
solve for the hypotenuse
hypotenuse = 
hypotenuse = 7.07106781187
I hope this helps!