Answer: 3.57
Step-by-step explanation: When you round the number 3.57 to the nearest tenth, you get 3.6.
Thomas got 4,770 dollars off or if you divide it well be 0.82
The answer to your question is D
The regression line equation is

, the value of the slope is shown as constant 16 and it's a positive constant, hence the correlation between the amount of gas used and degree of the days is a POSITIVE correlation.