plz On the coordinate plane below, what is the length of AB? B Ay 18- 7- 6- 5- 4 3- 2- 1- 0 4-3-2 101_2 3 4 5 6 -9_-8.-1-6- 9 X IN C (3 points) 0 7 units O 8 units O 15 units O 16 units​

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 : )