Answer: y=-61/2
Step-by-step explanation: - 4(8 + y)/-4 = 90/-4
8+y-8=-45/2-8
-8(2)-45/2
-16-45
-61
y=-61/2
The only expressions are letters B and D
By common multiple method and division method
Answer:
And what’s the question?
Step-by-step explanation:
Answer:
Average mean salary 
Step-by-step explanation:
We have been given year and respective salaries in each year.
1960 $4,995
1970 $8,626
1980 $15,970
1990 $31,367
2000 $41,807
2010 $55,202
Now we nee do to determine the average mean salary for the six decades, 1960 – 2010.
So we just need to add all those six salaries and divide that sum by 6 to find the average mean salary.
Average mean salary 
Average mean salary 
Average mean salary 
Hence final answer is approx:
Average mean salary 