Sophia wants to create a rectangular vegetable garden in her back yard. She wants the length of the rectangle to be at least 20 feet and the perimeter to be no more than 70 feet. Graph all possible dimensions of the garden.

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 : )