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 
The justification for step 3 is incorrect. It should be x = 10/8.
Hope this helps =)
Answer:
x=-3 and y=-5
Step-by-step explanation:
hope this helps!
2.20x is the dependent quantity. It is DEPENDANT on how much carpet you buy, it changes.