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• a student is standing 8 m from a roaring truck engine that is measured at 20. the student moves 4 m closer to the engine. what is the measured sound intensity at the new distance?
  
• this chart shows characteristics of three different types of atoms. which statement is best supported by the information in the chart? atom x will donate electrons to atom y. atom x will accept electrons from atom y. atom y will accept electrons from atom z. atom z will donate electrons to atom x.
  
• tiana is a chemist who is making a chemical to add to swimming pools in order to make the water safer. she mixed two solid substances together in a sealed container. the diagram above shows the repeating groups of atoms that make up the two starting substances. after mixing, tiana found two liquid substances in the sealed container. (nothing had escaped.) which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?
  
• regular physical activity can help prevent disease by __________. a. controlling weight b. controlling blood pressure c. improving cardiorespiratory fitness d. all of the above
  
• which controversial general commanded the us 7th army in the allied conquest of sicily?
  
• what was the name given to ronald reagan’s foreign policy? a. the reagan affair b. the reagan controversy c. the reagan doctrine d. the reagan democracy movement
  
• the repetition of the word ""thump"" is an example of what literary device? personification simile onomatopoeia metaphor
  
• of the sundaes recently sold at ice cream haven, 4 had nuts and 20 did not. considering this data, how many of the next 84 sundaes sold would you expect to have nuts?
  
• what was the effect of the founding of constantinople? a. it divided the roman empire into the east and the west. b. it exhausted the military resources of the roman empire. c. it challenged the authority of the roman emperors. d. it boosted international trade for the roman empire.
  
• vijay owns a house worth $250,000 with a mortgage of $150,000. he has $3,000 in stock investments and $1,700 in a checking account. he owns a piano worth $1,800. he also owns a car worth $18,000 and owes $6,000 in car loans. vijay wants to create a net worth statement. what are vijay’s total assets, liabilities, and net worth?