Hi there !
The answer is B. angle 4.
An alternate interior angle is diagonally across one angle on the inside of the transversal. Opposite of 5 on the inside is angle 4. 
Hope this helps !
        
                    
             
        
        
        
The answer is letter d because the y collum is y=y•2+1
        
             
        
        
        
B "it's" means (it is) and that would not make sense if it fell on it is side .
        
             
        
        
        
One feet is equal to 12 inches, so if we multiply 12 x 6 the answer is 72. So 72 inches equal 6 feet. 
        
             
        
        
        
720 hour you do 24hour times 30day