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• percy solved the equation x2 + 7x + 12 = 12. his work is shown below. is percy correct? explain.
  
• the main cable of a suspension bridge forms a parabola modeled by the equation y = a(x – h)2 + k where y is the height in feet of the cable above the road, x is the horizontal distance in feet from the right bridge support, a is a constant, and (h, k) is the parabola’s vertex. what is the maximum and minimum height of the bridge modeled by the equation y = 0.005(x – 60)2 + 8?
  
• write an essay to explain your position on whether or not nuclear power should be continued in the us. support your position with specific reasons and justifications.
  
• what is likely to happen in the long term if the earth continues to absorb more energy than it emits?
  
• which graph is the sequence defined by the function f(x) = 3(2)x-1? on a coordinate plane, 5 points are plotted. the points are (0, 2), (1, 6), (2, 18), (3, 54), (4, 162).
  
• the two-way table shows the estimated number of students who will enroll in three area high schools next year. a 5-column table has 4 rows. the first column has entries mount woodson high school, valley high school, riverside high school, total. the second column is labeled tenth grade with entries 110, 180, 160, 450. the third column is labeled eleventh grade with entries 120, 150, 140, 410. the fourth column is labeled twelfth grade with entries 80, 120, 200, 400. the fifth column is labeled total with entries 310, 450, 500, 1,260. in decimal form, to the nearest tenth, what is the probability that a randomly selected riverside high school student is in twelfth grade? 0.2 0.3 0.4 0.5
  
• an elephant has 56 chromosomes. which statement about a zygote of an elephant is true? a. the zygote has 28 chromosomes, mostly inherited from the father. b. the zygote has 56 chromosomes, all inherited from the mother. c. the zygote has 28 chromosomes, all inherited from the mother. d. the zygote has 56 chromosomes, 28 inherited from the mother and 28 from the father. e. the zygote has 28 chromosomes, 14 inherited from the mother and 14 from the father.
  
• which of the following best describes how the articles of confederation divided government power? as a one-branch federal government with three basic powers as a three-branch federal government with one basic power as one-branch state governments with three basic powers as three-branch state governments with one basic power
  
• . . . 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.”
  
• the solutions to the inequality y > −3x + 2 are shaded on the graph. which point is a solution? (0, 2) (2, 0) (1, −2) (−2, 1)