Answer:
$677.18 
Step-by-step explanation:
Data provided in the question:
Bill’s nominal income in 1990 = $1,009 per month
CPI value in the year 1990 = 149
CPI value in the year 2017 = 192
Now,
The Consumer price index ( CPI ) is given as :
CPI =  
thus,
for the given case of year 1990
149 =  
or
Real income in 1990 =  
or
Real income in 1990 = $677.18 
 
        
             
        
        
        
Answer:
1) yes  2) no  3) yes
Step-by-step explanation:
The lengths of the two shorter sides must be greater than the length of the longest side.
1) 8 + 9 > 10    yes
2) 1 + 1 = 2      no
3)  6 + 8 > 9    yes
 
        
             
        
        
        
is it 42 or 4 and 2 separate