Find the greatest common factor of 90, and 135

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.

How do you find the rate of change using a graph?

Lena draws a square with an area that is greater than the area of rectangle b. what are two possible side lengths of lena's square? explain.