i am pretty sure the answer is:
= -20r + 20
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

B. -3 and 5
constants are the numbers without variables (the letters) and coefficients are the numbers with variables