Triangle TUV is rotated as shown on the coordinate grid below, using the origin as the center of rotation.
On a coordinate plane, triangle T U V has points (1, negative 2), (7, negative 2), (3, negative 3). Triangle T prime U prime V prime has points (2, negative 0.5), (6.2, 3.8), (4, 0).
Which describes the rotation that took place?

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

Countries that have a traditional economy often develop at a slower pace than countries with a free market economy. true or false

What is the main source of phosphorus?