Sammy incorrectly solves the equation 1/3 (x +9) = 8. Her work is shown below. Which step shows an error based on the equation only from the previous step. Select all that apply.

Which the following is a common trait in a four year college

Summarize the work of famous environmental scientists of the past.

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.