Answer:
(x,y)= ( 5 over 273, - 265 over 273)
Step-by-step explanation:
Answer:
Because they both equal d, you can set them equal to each other:

Substitute t = 11 into the equation 523 + 26t = d:

There will be 809 DVDs and Blu-ray discs sold per month in 11 months.
Answer:
76
Step-by-step explanation:
The given data is 64, 72, 85, 80, 72, 89.
First we arrange it in ascending order.
64,72,72,80,85,89
The middle two terms are 72 and 80.
There are 6 no of observations.
The median when n is even is given by :

So, the median of given data is 76.
The answer is 14730
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