6) There are 45 students in a class. If 80% are present on that day, 9 of the students are absent. 7) In a class of 40 students, 55% are boys. Therefore, there are 22 boys and 16 girls.

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On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry.how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.