Y is 3 :) !!!!!!!!!!!!! hi
Answer:
$6,000
Step-by-step explanation:
The mean value of a sample is assumed to be the same as the mean of the population. The mean of a uniformly distributed variable between 0 and 160 is:

If the mean cost for each machine is $80, the mean aggregate cost for a sample of 75 machines is:

The mean aggregate maintenance cost is $6,000.
Answer:
dvd cost 36 dollars
casette costs 10.5 dollars
Y=-1/2x+9/2
Mark brainliest please
Hope this helps
So basically what you have to do is 6(3)+9