Lauren drove her car 240 miles on 10 gallons of gasoline. at this rate, about how many gallons will she have use on a 1,200 mile trip?

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)