Which graph shows this set of transformations applied to the parent cosine function? l a reflection across the x-axis l a shift of 2 units up l a vertical compression by a factor of 0. 5.

Break down of rocks and minerals into smaller particles without a change in composition is called_

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?