Answer:
true
Explanation
cause the middle aged bird is going to be in the middle cuz its immune system will be young but not that young it will be kind of old but not really that old but at the same time it all depends on the birds health
must be greater than zero
must be less than zero
<h2>
Explanation:</h2>
The complete question is written in a comment above. The system of inequalities is the following:
So, in order to find 
you just need to replace both x and y-coordinates into our system. Therefore:
So the conclusion is:
- must be greater than zero
- must be less than zero
<h2>Learn more:</h2>
Inequalities: brainly.com/question/12890742
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Using it's concept, it is found that the sample mean of cars sold per week is of 4.96.
<h3>What is the mean?</h3>
The mean of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.
In this problem, the sum of the 26 observations is given by:
S = 1 + 1 + 4 + 2 + 4 + 10 + 8 + 5 + 9 + 6 + 1 + 5 + 6 + 5 + 7 + 1 + 4 + 6 + 8 + 9 + 2 + 5 + 9 + 5 + 3 + 3 = 129.
Hence the mean is given by:
M = 129/26 = 4.96.
More can be learned about the mean concept at brainly.com/question/25122507
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