At one time, many of the beliefs of western society were based on or supported by the idea that the earth was the center of the universe. analyze why people thought this was so, and discuss how it was disproved. imagine a discovery today that could cause a similar shake-up in the way we view ourselves and our place in the universe.

Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling