A sphere has a volume of 100 cubic units. If the length of the radius is tripled, what is the volume in cubic units of the new sphere?

Since this punctuation mark is more emphatic than a comma, it should be used sparingly. When paired, they are less formal than parentheses, and draw more attention to the material between them. Identify this punctuation, which can be em or en, and shouldn't be mistaken for a hyphen.

This European nation is bounded on the north and west by the North Sea, and by Belgium to the south. If it were to lose the protection of its dunes and dikes, the most densely populated part of it would be underwater. Identify this nation, whose lower areas consist of polders, or tracts or lowland reclaimed from the sea.

The Spanish verb "dormir" comes from the same Latin root as "dormitory." Give its English translation.

How many fluid ounces are in 3 cups?

This continent is the world's third largest, and lies for the most part between the Arctic Circle and Tropic of Cancer. It occupies the northern part of what was generally referred to as the New World. Name the continent.

In degrees, what is the measure of the complement of a 25-degree angle?

This composer's only opera sees a wife disguise herself as a boy to rescue her husband. That opera is "Fidelio." He originally dedicated his "Third Symphony," nicknamed "Eroica," to Napoleon. Which Romantic-era composer created "Moonlight Sonata"?

This island separated from the mainland tens of millions of years ago, allowing it to follow its own evolutionary course. It is home to harmless snakes, including the boa, which can reach 13 feet, as well as mammals found nowhere else, such as the tenrac. What island off the east coast of Africa is especially known for its many species of primitive primates called lemurs?

After he was exiled from Mainz, Germany, this metalworker moved to Strasbourg, France, and worked as a gem cutter. It was there that he began work on his best-known invention, which he completed upon his return to Mainz in 1448. Identify the craftsman who built the first movable type printing press in Europe.

This philosopher's traditional birthday, September 28, is celebrated as "Teacher's Day" in Taiwan. He wished to make education widely available during his lifetime in China. Identify this philosopher whose writings have been collected in the "Analects."

This state occupies the northeast corner of a unique geographical location in the Southwest. It joined the Union in 1876, and is sometimes called the Centennial State. Identify the state that adjoins Arizona, New Mexico, and Utah at the Four Corners Monument.

How many millimeters are in 53 decimeters?

When a deposit of this type of rock is on the surface, it is called an outcrop. It is a deposit of solid rock usually buried beneath soil and other material. What layer of rock often serves as parent material for soil and other loose rock on the Earth's surface?

This people developed a heiroglyphic writing system, a detailed calendar with a Long Count, and the concept of zero. Their cities included Chichen Itza and Uxmal. Name this people who flourished in the highlands of the Yucatan Peninsula.

Seven students enter an art contest, in which a first, second, and third prize are awarded. In how many different ways can the winners be chosen?

This string instrument's body represents a tambourine, with a vellum belly attached to a metal hoop. Its violin-style bridge and frets hold five metal strings that can be played with bare fingers or a pick. What is this folk instrument associated with bluegrass music?

What is the greatest common factor of the numbers 54 and 72?

This word refers to the measurement of the average energy of the molecules in an object. The measure between two systems is equivalent when they are in thermal equilibrium. What do we call the degree or intensity of heat present in a substance or object, often measured in degrees?

This story, set in Toledo, ends with the French army freeing the narrator from the clutches of the Spanish Inquisition. He rubs mean on ropes so that rats will chew him free, and is almost pushed into a deep hole by heated, moving walls. Identify this story of near-execution, written by Edgar Allan Poe.

This political figure's father and mother met and married in Hawaii. After receiving his law degree, he moved to Chicago and became active in the Democratic Party and as a community organizer.

In 2015, this retired athlete stated, "I am a Muslim, and there is nothing Islamic about killing innocent people in Paris, San Bernadino or anywhere else in the world." He converted, changing his name from Cassius Clay in 1964. Identify this Louisville native who could "float like a butterfly" and "sting like a bee."

This organ contains the ossicles, the vestibular nerve, and the auricle. Name the organ that is divided into the outer, middle, and inner parts. 

This author created type-A teen Kate Malone, who faces rejection from MIT, in "Catalyst." Mattie Cook and her grandfather leave illness-plagued Philadelphia to escape the yellow fever in her work "Fever 1793." Who won the Margaret A. Edwards Award for these novels, as well as her account of Melinda's assault at a party, "Speak"?

Martha is purchasing a sweater that is priced 60 dollars. When she gets to the register, she finds that the sweater is 30 percent off. Ignoring sales tax, how much will she pay for the sweater?

An animal in this stage of life may be free-moving, with the adult attached or unmoving. It is found as a planula, maggot, and nymph. What immature form of many animals will develop into a different adult form through metamorphosis?

This dance styled evolved around 1880 from the flamenco, milonga, and habanera, but took thirty-five years to achieve European popularity. Its early spirit gave way to smoother steps, but it kept its characteristic head snaps. Name this couple ballroom dance, usually in 2/4 time, that originated on the streets of Argentina.

This literary element plays a central role in allegories like "Animal Farm." An author uses it when he makes a red rose represent love, or a dove stand for peace. What is this literary element in which an object represents something else, usually an abstract idea?

Calculate the length in units of the hypotenuse of a right triangle with legs measuring 27 units and 36 units.