The scatter plot shows a regression line of advertising dollars spent and sales. What advertising dollar has the greatest error term? A) $250,000
B) $262,500
C) $275,000
D) $337,500

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank