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• nosaira solved an equation. her work is shown below: 3(2x + 1 ) = 2(x + 1) + 1 6x + 3 = 2x + 2 + 1 6x + 3 = 2x + 3 4x = 0 x = 0 she determines the equation has no solution. which best describes nosaira’s work and answer? her work is correct, but there is one solution rather than no solution. her work is correct and her interpretation of the answer is correct. her work is incorrect. she distributed incorrectly. her work is incorrect. she moved terms across the equals sign incorrectly.
  
• which statement accurately compares archaebacteria and eubacteria? both take different shapes and sizes. both are always heterotrophs. both can sometimes live in extreme environments. both are known as ""true"" bacteria.
  
• what is the size of the force acting on a copper wire with a magnetic flux density of 3.6 x 10-2 t acting at right angles to the wire of length 19 m and current of 0.043 a? round your answer to 2 significant figures.
  
• read the following text from a student essay. how can the writer best improve his or her word choice? my favorite shows are shows about science. a good science show should demonstrate how to do experiments. more importantly, a science show should have a host that is really excited about science. if the host of a science show is excited, it makes the people at home excited too. even if you think you don't like science, you should try watching some of the science shows that i watch. you'll get to learn more about science and how it's done.
  
• what is the length of the hypotenuse of the triangle?triangle a b c. side a c is 7 centimeters and side b c is 3 centimeters. hypotenuse a b is unknown.startroot 20 endroot cmstartroot 23 endroot cmstartroot 40 endroot cmstartroot 58 endroot cm
  
• but it is the opinion of no less than the country's no. 2 official, premier wen jiabao. in remarkable public comments last summer, wen said chinese officials ""must continue to liberate their thinking and make bold explorations"" in reform. without ""reform of the political system,"" he argued, ""it will be impossible for the goal of economic reform and modernization to be realized."" china must reverse ""the excessive concentration of unrestrained power"" and ""create conditions for the people to criticize and supervise the government. . . . people's democratic rights and legitimate rights must be guaranteed"" for economic growth to continue. to support his argument, the author includes quotations by a chinese corporate leader. a chinese newspaper reporter. a prominent chinese government official. the head of china’s government.
  
• look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?
  
• an identity thief watches someone enter a four-digit pin and manages to see that the first digit is 3. they also know that the second digit is either 4 or 7. if the thief tries guessing the pin, how many possiblities would there be? a. 100 b. 162 c. 180 d. 200
  
• what is an equation for the quadratic function represented by the table shown? x 0 2 4 6 f(x) -1 3 -1 -13 f(x) = (x - )2 +
  
• who has to approve the governor’s appointment of judges? the senate the house the voters the justices