A.) A Triangle cannot be both "Obtuse and Right"
[ It must be either Obtuse, Right or Acute. Never with two multiple properties ]
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Answer
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Step-by-step explanation:
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Answer:

And in order to solve this we have two possibilities:
Solution 1

And solving for T we got:


Solution 2
And the other options would be:


Step-by-step explanation:
For this case we can define the variable os interest T as the real temperature and we know that if we are 3 F more than the value of 98.6 we will be unhealthy so we can set up the following equation:

And in order to solve this we have two possibilities:
Solution 1

And solving for T we got:


Solution 2
And the other options would be:


I hope this helps you
x+11=5x-5
4x=16
x=4
Walter I believe is the correct answer