Hurry help me rq I need an answer fast its for 45 points

Someone me what is the area of this figure? 18m 18m 8m 16m

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 : )

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.