A component in the music system has a life expectancy of a 2400 with a standard deviation of 300 hours if an average person listens to music for 1000 hours in a year the probability that the component last for more than three years is

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.

+++30 points me in a society that favors economic equity over economic freedom, who would benefit? explain

Compare the advantages and disadvantages of using cash instead of a credit card to obtain good services