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• if a 1,300-kilogram car with no people inside is on the edge of a cliff 1,500 meters above the ground, what is its potential energy?
  
• the price of a calculator has decreased from $200 to $150. what is the percentage of decrease?
  
• according to the graph, what is the approximate percentage of high school students who had ever tried e-cigarettes, in 2012?
  
• which of these factors caused anti-immigrant, anti-anarchist, and antisocialist feelings to rise in the 1910s and 1920s?
  
• which statements explain current theories about dark energy and dark matter? check all that apply. space that appears empty actually contains dark energy and dark matter. dark matter does not emit electromagnetic radiation. scientists believe dark energy will cause the universe to collapse inward to a single point. scientists theorize that dark energy is causing the expansion of the universe to accelerate. dark matter includes all of the dust, ice, and debris that scientists observe in black holes.
  
• select the correct answer from each drop-down menu. read the excerpt. then choose the correct way to complete the sentence. the underlined phrase has a meaning, which creates
  
• to spend the least amount total, amir should buy the computer in . amir would pay the most sales tax in . amir would pay $60 in sales tax in
  
• six times a number is greater than 20 more than that number. what are the possible values of that number? n less-than 4 n greater-than 4 n greater-than startfraction 20 over 7 endfraction n less-than startfraction 20 over 7 endfraction
  
• humans and dogs evolved from a common ancestor. which pieces of evidence would support this? select two options.both of their adult forms look very similar.they both had a tail as an embryo.their arm and leg structure is similar, but may have a different function.there are fossils of an organism that is half man, half dog in the fossil record.both had gill slits when they were born.
  
• what is the purpose of the imf? to provide loans to struggling nations in exchange for economic reforms to regulate trade between countries to oversee the development of multinational corporations