Answers edited by David Drayer

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• Question #7c1f8
  
• Question #bcb76
  
• How do you solve #x+ \frac { - 3} { x } = 2#?
  
• The product of a positive number, its square, and its reciprocal is #100/81#. What is the number?
  
• What was one of the earliest attempts to put an end to trusts and monopolies?
  
• Time travels faster than light. Light has a mass of 0 and according to Einstein nothing can move faster than light if it doesn't have its weight as 0. Then why does time travel faster than light?
  
• How do you solve the system of equations #3x-3y=-9# and #3x-5y=-29# by combining the equations?
  
• How do seismic waves affect buildings?
  
• What led the Soviets to blockade West Berlin?
  
• How do you solve the following linear system: #-9x - 5y = -1, 3x + y = 1 #?
  
• A hydrated compound has an analysis of 18.29% Ca, 32.37% Cl, and 49.34% water. What is its formula?
  
• How do you write #19,000 # in standard notation?
  
• Question #56886
  
• Question #9d307
  
• Question #ff02f
  
• What is Absolute zero (or 0 Kelvin)?
  
• Who were the Axis Powers during World War II?
  
• Question #11931
  
• How do you evaluate #(- 4\frac { 1} { 2} ) - 1\frac { 1} { 3}#?
  
• Why did the U.S. create welfare programs?
  
• Question #0a663
  
• Which of these are results of physical changes?
  
• During World War II, which Allied nation suffered the most military deaths?
  
• What significance did the Grand Council, an experiment in democracy, have for the Iroquois?
  
• A student records the mass of a piece of iron. The iron is then left outside until it rusts. What type of reaction occurs, and how does the mass of the object after rusting compare with its original mass?
  
• How does the red shift of distant galaxies indicate that the universe is expanding?
  
• Ibn Battuta traded his salt with what kingdom?
  
• Question #04557
  
• What is the formula for kinetic energy?
  
• The ratio of Maya's money to Sophia is 3 : 7. Sophia has $64 more than Maya. If Sophia gives 14 of her money to Maya, what will be the new ratio?
  
• Question #efa5d
  
• A car drove at 43 miles per hour for 7 hours. How many miles are left if the entire trip is 40O miles?
  
• What solution did the international community come up with to handle the large number of homeless Jewish refugees following World War II?
  
• How can water change state?
  
• Why might the action of the Seljuks in conquering Southwest Asia have ignited the Christian Crusades?
  
• If you were in charge of the Roman empire, how would you prevent it from collapsing?
  
• What are the phase change processes taking place at equilibrium between liquid and gas phases?
  
• Question #ebc54
  
• How did religion/ views on religion begin to change after the publication of Martin Luther's 95 Theses?
  
• Question #6585c
  
• What brought American settlers into conflict with the Mexican government?
  
• Question #06fc8
  
• What characteristics of water contribute to the relatively constant temperatures of the oceans?
  
• Why were the American Articles of Confederation ineffective?
  
• Why is it important for plants that carbon dioxide uptake at day should be greater then the release of carbon dioxide during night?
  
• Question #0139f
  
• What were the Jim Crow laws?
  
• Consider the Lewis structure below. What are the formal charges of each atom?
  
• What landmark Supreme Court case finally overturned the ruling in Plessy v. Ferguson?
  
• Question #c024f
  
• From what country did most of the workers who built the Transcontinental Railroad come?
  
• Question #52096
  
• Why was Petersburg so important to the Confederate capital, Richmond?
  
• How do you evaluate #7- 4[ 8- 7( 2- 3) ]#?
  
• Question #3f24a
  
• What is the mass of #6.12xx10^21# molecules of #"HCl"#?
  
• Question #87dad
  
• How do you find the GCF of 12 and 18?
  
• In general, how did life for rural Americans differ from life for urban Americans?
  
• Are compounds made up of molecules?
  
• How do you write 4/9 as a decimal?
  
• Did humans evolve from apes? Or is this simply a myth?
  
• Why do the tectonic plates on Earth move?
  
• Who ran for the Senate against Stephen Douglas and had a series of debates about slavery with him?
  
• Question #5489f
  
• What were two things that caused Americans to be fearful after World War ended?
  
• What are sp2 hybrid orbitals?
  
• A section of one DNA strand has the sequence ACCGAGGTT. What is the sequence of an mRNA transcribed from this section of DNA?
  
• What is the basic particle of an element?
  
• Is the word "scrupulous" a positive, negative, or neutral connotation? Why do you think so?
  
• Question #63d0f
  
• Question #f8d72
  
• Question #168fc
  
• How do you multiply #(6p+7)/(p+2)div(36p^2-49)#?
  
• Marcie jogged 0.8 mile on Wednesday and 0.9 mile on Thursday. How far did she jog on the two days?
  
• How do you solve #2x/3+9=-7#?
  
• What was the condition of America's economy following World War I?
  
• How do you evaluate #(- 7) ^ { 2} \div ( - 3- - 10) ^ { 2}#?
  
• How did slavery affect the development of the Southern economy?
  
• What was the turning point of World War 2?
  
• What happens when you combine silver nitrate with sodium chloride?
  
• What did the Three-Fifths Compromise do?
  
• How do you solve #|7 - 6x| <= -4#?
  
• How have tectonic plates affected Latin America's physical geography?
  
• Was the Invasion of Normandy a turning point ?
  
• Which of the following molecules is held together primarily by ionic bonds? How do you determine this?
  
• The Articles of Confederation denied Congress the power to collect taxes, could a government survive today without this power?
  
• What did Thomas "Stonewall" Jackson do to gain his nickname and become a noted Civil War figure?
  
• What was the famous battle in October of 1942 in Egypt? Who won and why?
  
• How does the number of valence electrons change as you look down a column of the table?
  
• How did slave codes affected enslaved people?
  
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