100 students walk to school each day because no matter if you ride the bus or bike to school, you still gotta walk into the school 
Yurrr
        
                    
             
        
        
        
Answer:
4i
Step-by-step explanation:
-4i(2+3i)
-8i-12i
4i
 
        
                    
             
        
        
        
Answer:  3026
 3026
                30
 30
Step-by-step explanation: Average sum of the female and male's test score is the sum of expected value of each gender:

Assuming x represents the random male selected and y represents the random female selected:

 3026
 3026
The average sum of their scores is 3026.
Average difference is the difference between the expected value (mean) of each gender:

 1528 - 1498
 1528 - 1498
 30
 30
The average difference of their scores is 30.
 
        
             
        
        
        
C is correct bc if you add 10 to x you get the value of y