Answer:
$5,300
Step-by-step explanation:
Formulae used,



Where,





Putting the values from the table, we get the best fit line as,

As we want to calculate the profit at 350 pounds, so putting x=350, we get

Answer:
its u=(-2,1)
Step-by-step explanation:
Answer: 3
Step-by-step explanation:


Answer:
-6-7ji-20j^(2)
Step-by-step explanation: