if jack bought 18 cds last year when his income was r20,000 and he buys 22 cds this year when his income is r25,000, then his income elasticity of demand using the point method is:

Registrars maintain high a. standardized tests b. faculty payrolls c. transcripts d. sporting facilities

Where is my favorite place to eat?

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.