Answer:
the anwser is in the text
Step-by-step explanation:
Each person gets 
of whole pizza
<em><u>Solution:</u></em>
Given that Mia has 
of a pizza
She divides it equally among 4 people
<em><u>To find: Fraction of a whole pizza each person gets</u></em>
From statement,
of pizza is divided equally among 4 people
Therefore, to find the fraction of whole pizza each person gets, we can divide the by 4 people
Thus each person gets of whole pizza
Answer:0.001001001001001
Step-by-step explanation: I have no idea. just put it in a calculator
<span>(serial number, model number)
That's a function mapping each serial number to its model number.
(part number, serial number)
That's not a function; the same part number is in computers with different serial numbers
</span><span> (model number, part number)
</span><span>
That one's a bit confusing. Normally a given model would have more than one part number inside so this isn't a function. But here the description says there's only one part number for each model, so that would be a function.
(model number, serial number)
Not a function, more than one serial number for a given model number.
</span>
