Instead of using numbers to designate footnotes, you can use the seven traditional symbols in order—the first of which is what symbol?

Ivan sees a coworker's printer sitting precariously on the edge of a table. The coworker is not around. He should:

a. Call their supervisor b. Move the printer back safely on the table c. Tell the user to move the printer d. Send an email to the building supervisor

Discuss the advantages and disadvantages of treating clustering as an opti- mization problem. Among other factors, consider efficiency, non-determinism, and whether an optimization-based approach captures all types of clusterings that are of interest.

What will be an ideal response?