Answer: There are 495 possible different sets of answers the could contain exactly 8 correct answers of false.
Basically, we are looking for the number of different ways of selecting 8 objects out of a set of 12 objects. Our objects are answers of false and the set is the test.
This is a combination problem. The formula would be:
12! / (8! x 4!) = 495
        
             
        
        
        
Answer:
The hexagon is one whole
Step-by-step explanation:
 This is because one whole shape = one whole so it is One whole of the  hexagon
 
        
                    
             
        
        
        
Answer:
5cm^3
Step-by-step explanation: please let me know if that wrong.
 
        
                    
             
        
        
        
Answer:
   b. 5tan(25°)
Step-by-step explanation:
The tangent function gives the ratio between the side opposite and the side adjacent to the angle. That is ...
   tan(25°) = ?/5
Multiplying by 5 solves the equation:
   ? = 5·tan(25°)