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• last year there were 221 students and 13 teachers at hillard school. this year there are 272 students. the principal wants to keep the same student-to-teacher ratio as last year. which proportion can the principal use to find x, the number of teachers needed this year? startfraction 272 over 221 endfraction = startfraction 13 over x endfraction startfraction 221 over 272 endfraction = startfraction x over 13 endfraction startfraction 221 over 13 endfraction = startfraction 272 over x endfraction startfraction 13 over 221 endfraction = startfraction 272 over x endfraction
  
• which is the equation of 2x - 1 - 7 = 9 after it is reduced so that both sides of the equation are exponential functions with the same base? 2x-1 = 42 2x-1 - 71= 32 2x-1 - 7= 32 2x-1 = 24
  
• which type of presentation aid is depicted in the image above? a. illustration b. photograph c. map d. handouts
  
• in this lab, you will use a magnet and a simple circuit to examine the concepts of electricity and magnetism. think about how these ideas can be shown experimentally. in the space below, write a scientific question to address by doing this experiment.
  
• peasants gained power during the hundred years’ war by fighting in the english army. growing food for french soldiers. attacking the english monarchy. spying on french troops.
  
• what is the initial value of the exponential function shown on the graph? 0 1 2 4
  
• which of the following is a product of respiration resulting from the breaking of carbon-carbon bonds? a. glucose b. oxygen c. carbon dioxide d. all of the above
  
• why was cuba thought to be a threat in the early 1960s? it was communist and given weapons by the soviet union that could reach u.s. soil. it was democratic and had set up a naval blockade to stop trade with the united states. it was close to u.s. soil and built missile bases from materials made in the united states. it was ruled by the soviet union and was trying to prevent the u.s. democratic elections.
  
• . . . storage of food is most important. the principal rule is to have separate places for different types of commodity: dry things can be kept in a pantry with bread and dry linen; wet things are normally stored in the buttery. wine and meat must be kept apart, and cellars should be avoided on account of their dampness. meat should be seethed in summer to keep it fresh, then kept in a cool cellar, soaked in vinegar with juniper seeds and salt. most yeomen will have vats and presses for making cheeses—a valuable source of protein in the long winter season. similarly, most livestock owners have troughs for salting meat or allowing it to steep in brine. –the time traveler’s guide to elizabethan england, ian mortimer which detail from the text best supports the inference that winter months produce less food? “the principal rule is to have separate places for different types of commodity” “wine and meat must be kept apart, and cellars should be avoided on account of their dampness.” “most yeomen will have vats and presses for making cheeses—a valuable source of protein in the long winter season.” “similarly, most livestock owners have troughs for salting meat or allowing it to steep in brine.”
  
• 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.100b.162c.180d.200