Happy Harold's Creamery offers specials during the week on particular sundaes. Monday they offer the Triple Trouble, in which three different scoops may be chosen from the full thirty-one that HHC offers. Tuesday features, for the same price, the Fearsome Four, which is a sundae of four scoops; however, only twenty-one flavors may be chosen from.

Quantity A: The amount of sundae options available for the Triple Trouble.

Quantity B: The amount of sundae options available for the Fearsome Four.

Quantity A: The average of the numbers above.

Quantity B: The median of the numbers above

Harold is drawing numbered slips of paper from a hat that are labeled through . What is the probability that he'll draw three numbers in a row that are divisible by three, given that a slip is not replaced after it is drawn?

On a trip to his friend Leslie's house, Ron drives miles per hour for hours and miles per hour for hours. What was his average speed in miles per hour for the trip?

A shelf has shirts, each a different pattern.

Quantity A: The total number of possible combinations of shirts if shirts are drawn.

Quantity B: The total number of possible combinations of shirts if shirts are drawn.

In terms of , what is the arithmetic mean of , , and ?