Math
Which of the following expressions is 5 times as much as the sum of r and s?
(r + s) x 5
Which of the following is an advantage of using nuclear plants to supply energy, rather than fossil fuel power plants?
decrease in greenhouse gases produced
Which of the following was one way that the lives of people in agricultural societies changed?
People could now spend time doing activities other than food production.
In 1642 a math genius developed this machine, which used a complex system of gears that made addition or subtraction of limitless numbers possible.
Pascaline
An antonym for the word ambiguous is
obvious
In the xy - plane, a line crosses the y -axis at the point (0,3) and passes through the point (4,5). Which of the following is an equation of the line?
y=12x+3y=21x+3
In a chemical reaction, what principle is a student applying when ensuring the equation is balanced?
The total number of atoms for each element must be the same on both sides of the equation.
The silk road was established under which ancient civilization?
Han Dynasty
This device, the earliest computer, allowed for counting, addition and subtraction using a base 10 system. Users slid beads with assigned values up and down on rods.
Abacus
Which part of the story describes the most important events?
plot
For a party, Colin bought eight 2-liter bottles of soda. About how many gallons of soda did Colin buy? (1 gallon ≈ 3.8 liters)
4
The weak force is weaker than all of the other fundamental forces except for the _______ force.
gravitational
-The invention of the compass and astrolabe
-European dependence on spices from Asia
-Rise of nation states in Europe
***These developments influenced the start of--
Age of Exploration
Wrote the book on Capitalism called "Wealth of Nations"
Adam Smith
The definition of cacophony is...
a mishmash of unpleasant sounds, often at loud volume.
The amount of money M, in dollars, Paul earns can be represented by the equation M=12.5h+11 where h is the number of hours Paul works. Which of the following is the best interpretation of the number 11 in the equation?
The amount of money, in dollars, Paul earns in addition to an hourly wage
What is stated by the law of conservation of energy?
Energy cannot be created or destroyed.
Which city was the symbolic point for the beginning and end of the Cold War?
Berlin
Fast ship that could sail with & against the wind, large cargo area, and shallow hull that could navigate shallow water
caravel
How does society see Clarisse McClellan in Fahrenheit 451?
Antisocial
Water runs from a pump at a rate of 1.5 gallons per minute. At this rate, how long would it take to fill a tub with a 150-gallon capacity?
100 minutes
Why does ionization energy decrease from top to bottom in a group of elements on the periodic table?
The ionization energy decreases because the outer electrons get further from the nucleus.
British politician and Prime Minster of Great Britain from 1940 to 1945, and 1951 to 1955. He is regarded as the finest British leader of the 20th century and was instrumental in leading Britain to victory during World War II.
Winston Churchill
Which process is credited with making steel much stronger in the 1800s?
Bessemer Process
Henrik Ibsen's "A Doll House" was shocking for its time because it challenged which 19th century societal norms?
Marriage and women's roles