A rain barrel can hold 72 gallons of water. As it rained last week, water entered the barrel at a rate of 2 gallons every 6 hours. At this rate, how long will it take the rain
barrel to fill?

(show how you hit the answer if you can)

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.

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

Proportions in triangles solve for x