Pls help i tried so many answers and none of them are right

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is