Leanna has a 2 pound box of elbow macaroni. She needd 4 ounces of uncooked macaroni for every serving of a macaroni and cheese recipe. How many servings can leanna make?

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 : )