An urn contains 100 marbles. Fifty are purple, ten are green, fifteen are red, and twenty five are orange. Two marbles are drawn at random one after another with replacement. Calculate each probability. a. P(purple and orange) b) P(green and green)

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.

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.

Tan198=asin164=? how to solve this? ?