Find the distance CD rounded to the nearest tenth.
C = (10,-1) and D = (-6,3)
CD = [?]
HINT: Use the distance formula:
d = (x2 - xı)2 + (y2 - yı)2

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

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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.