Answer:
P=0.228
Step-by-step explanation:
We know that from a faculty of six professors, six associate professors, ten assistant professors, and twelve instructors, a committee of size six is to be selected.
Therefore, we have 34 people.
We calculate the number of possible combinations:

Of the 6 professors we choose 2, and of the other 28 people we choose 4.
We calculate the number of favorable combinations:

Therefore, the probability is:

Answer:
(See explanation for further details)
Step-by-step explanation:
Classification based on sides:
Equilateral - Three sides with same length.
Isosceles - Two sides with same length.
Scalene - No sides with same length.
Classification based on sides:
Acute-Angled - All angles are acute. 
Right-Angled - One angle is right. 
Obtuse-Angled - One angle is obtuse. 
The answer to this is 180.
The answer would be C. Hope the picture helps.
If you are asking how to subtract 125 centimeters and make it 87.5, you have to subtract from 125. The easiest way to do this is to subtract 87.5 from 125, getting 37.5. So, if you add 37.5 to 87.5, you will have 125. So, the correct answer is to subtract 37.5 to get 87.5.