Help I need answer for this question

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?