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• a video game that usually costs $30.65 is marked down 60%. kelvin determined that the new price of the game would be $18.39. look at kelvin’s work and find his error. ($30.65)(0.60) = $18.39
  
• emotions are shown through verbal and nonverbal behaviors. please select the best answer from the choices provided t f
  
• the only certainties we have are death and taxes, or so the saying goes. taxation was one of the original concerns when the united states declared independence from great britain. taxation, one of the central areas of economic policy for the federal and state governments, drives much public debate to this day. how do you believe taxes affect government economic policy today? what types of reforms would you like to see in taxes? should taxes be lowered overall? should some groups be paying more than they are now? how would the changes you recommend affect the economy and the ability of the government to carry out its functions?
  
• how do the details in this timeline support the authors’ purpose? the details about the shift of power in france help persuade readers that france was important to the sugar industry. the details about the changing laws in france help inform readers that napoleon wanted to produce sugar cheaply by using enslaved people. the details about the french revolution help inform readers about the process of executing enemies.
  
• the apples at the local supermarket have been genetically engineered to resist warmer temperatures than they did before. what do these apples contain?
  
• read the excerpt from roosevelt’s state of the union address. we must appraise the events of 1942 according to their relative importance; we must exercise a sense of proportion. how does repetition of the phrase ""we must” help roosevelt achieve his purpose? it encourages the public to act with a united front. it demands that every citizen contribute in some way. it shows that the nation’s only choice is to fight. it explains the specific roles each citizen must play.
  
• select the correct answer. at a game show, there are three doors marked 1, 2, and 3. a contestant is allowed to select one of three keys labeled a, b, and c and then use it to open one of the doors. the sample space showing the ways in which a contestant can select a key and a door is represented in the table. door 1 2 3 key a a-1 a-3 b b-1 b-2 b-3 c c-1 c-2 c-3 what is the missing term in the table? if there were two doors instead of three doors, what would the sample size be? a. the missing term is a-2. the sample size would be 6. b. the missing term is c-2. the sample size would be 8. c. the missing term is c-2. the sample size would be 9. d. the missing term is b-2. the sample size would be 12.
  
• a driver's education course compared 1,500 students who had not taken the course with 1,850 students who had. of those students who did not take the driver's education course, 1,150 passed the written driver's exam the first time compared with 1,440 of the students who did take the course. a significance test was conducted to determine whether there is evidence that the students who took the driver's education course were more likely to pass the written driver's exam the first time. what is the p-value for an appropriate hypothesis test?
  
• read the passage from a letter by christopher columbus. the inhabitants . . . are well made, but because they are timid and full of terror. . . . but when they see that they are safe, and all fear is banished, they are very guileless and honest, and very liberal of all they have. –letter to gabriel sanchez, christopher columbus which action is the best way to verify the passage from the letter? read the rest of the letter. examine if the letter is relevant. find evidence to corroborate the letter. determine if the letter is a primary source.
  
• the circumference of the base of a cylinder is 24π mm. a similar cylinder has a base with circumference of 60π mm. the lateral area of the larger cylinder is 210π mm2. what is the lateral area of the smaller cylinder? 17.1π mm2 33.6π mm2 60π mm2 84π mm2