A poll is given, showing 80% are in favor of a new building project. If 9 people are chosen at random, what is the probability that exactly 7 of them favor the new building
project?

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

If you are in grade when should you start studying for exams

Consider the image seen here. the image, at point y, represents the process of during which a is being produced.