When graphed, the implicit curve equation produces what shape?

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How many feet separate the bases in a regulation-sized baseball diamond?

What is the plastic piece at the end of a shoelace called?

Which airline absorbed the carrier "People Express" in 1987?

What song's lyrics include "tap, tap, tapping at your windowpane and bringing joy to every girl and boy"?

Who won a Pulitzer Prize for her novel "So Big"?

What word do we derive from the Salish Indian word for "wild man"?

What soup is likely to be on the menu in Poland or Russia?

What capital city is built around the famous Plaza Mayor and Puerta del Sol?

How many feet are there in a nautical mile?

What "Saturday Night Live" castmember played Sean Connery in their Celebrity Jeopardy skits?

Who played the title role in the 1990’s sitcom "Caroline in the City"?

Gene, Louise, Tina, Bob, and Linda are the main characters of which animated sitcom?

Whose tombstone bears the inscription "That's All Folks"?

Who was US President Ronald Reagan's first wife?

What year did the Space Race between the United States and the Soviet Union start?