Answer:
Because the store claimed to have the best overall prices
Answer:
negative linear
Step-by-step explanation:
as you see the correlation is going negative in a linear line.
Answer:
Step-by-step explanation:
Key to this method is remembering that

So, if you divide the coefficient of x by 2 and square it, that will complete the square. With that in mind, things are easy.
6/2 = 3, so add 

So, c=9
Similarly, for the other two,

You don't really have to worry about the sign, since squaring will always make it positive
