9. Problems and Applications Q9 Two drivers—Tim and Alyssa—each drive up to a gas station. Before looking at the price, each places an order. Tim says, "I'd like 10 gallons of gas." Alyssa says, "I'd like $10 worth of gas." Which of the following statements is correct? Check all that apply. Alyssa's demand is perfectly elastic. Alyssa's demand is unit elastic. Tim's demand is elastic. Tim's demand is perfectly elastic.

4. the condition requires that only one of the selected criteria be true for a record to be displayed.

Which of the following statements is true regarding the reporting of outside interests and the management of conflicts? investigators are responsible for developing their own management plans for significant financial interests. the institution must report identified financial conflicts of interest to the u.s. office of research integrity. investigators must disclose their significant financial interests related to their institutional responsibilities and not just those related to a particular project. investigators must disclose all of their financial interests regardless of whether they are related to a research project.

Employees at a library check out books to patrons. books have an isbn and a name. the library sometimes has multiple copies of the same book. books have one or more authors. a patron is an individual who has an active (non-expired) library card. for each library card, we store the person's first and last names and their address. for each employee, we store their employee id, current salary, first and last name and their address. we also store the employee id of their current manager. each time we check out a book to a patron we need to store the date of the transaction, the employee who checked out the book to the patron, and the library card of the patron. some employees have library cards. if an employee patron turns in a book late, the fine that they pay is a percentage of their salary. some employees are authors who have library cards—they are allowed to check out as many books as they like.