There will be 4 people chosen from a group of fifteen to fill four engineer positions at a local company. a. Does order count? b. In how many possible ways could these four positions be filled if order counts? c. In how many possible ways could the four positions be filled if order does not count?

In 1999, the u.s. announced trade sanctions worth $116.8 million, targeting goods from france, germany, italy and denmark. the sanctions were in retaliation for a ban on u.s. hormone-treated beef by which organization?

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.

Sweater originally priced at $65 is on sale for 15% off.you also have a coupon that takes another $10 off.what percent of the original price do you pay?