Answer:
a) $40920
b) $38500
Step-by-step explanation:
Given: 
5 employees,
Mean = $40300
Median = $38500
Min = $32000
If he lowest paid employee gets a $3100 raise, then his salary becomes 
$32000+$3100=$35100
a) If the mean was $40300, then the sum of 5 salaries is 

After raising the lowest salary the sum becomes

and new mean is

b) The  lowest salary becomes $35100. It is still smaller than the median, so the new median is the same as the old one. 
New median = $38500
 
        
             
        
        
        
Answer: X=1.5
Step-by-step explanation:
The equation when y is -16
-16=-8x-4
-12=-8x
12/8 is 1.5
 
        
             
        
        
        
Answer:
i think the first one but im not sure 
im sorry if its wrong 
Step-by-step explanation:
 
        
             
        
        
        
3/9 + 1/2 = 5/6
2 1/3 + 2 1/4 = 4 and 7/12
        
             
        
        
        
Answer:
8. False.
11 and 13 are consecutive prime numbers, but 11 + 13 = 24 and 24 isn't prime.
9. True. 
10. True.
11. True
12. False.

13. True.