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• jessica finds out that the government introduced a new trade policy that will increase import tariffs. she calls for a meeting of all of the company’s department heads to address this issue, since the new tariffs may increase the company’s production costs. what is the purpose of this meeting?
  
• if a raffle has a winning prize of $100 and each ticket costs $5 with a total of 500 tickets sold, which equation would calculate the expected value? 100 (startfraction 1 over 500 endfraction) + (negative 5) (startfraction 499 over 500 endfraction) = e (x) 95 (startfraction 1 over 500 endfraction) + (negative 5) (startfraction 499 over 500 endfraction) = e (x) (100 minus 5) (startfraction 1 over 500 endfraction) = e (x) (100) (startfraction 1 over 500 endfraction) = e (x)
  
• answer the following question in 3-4 complete sentences. who invented negative film? explain how negative film is used in photography.
  
• which system of linear inequalities is represented by the graph? y > x – 2 and x – 2y < 4 y > x + 2 and x + 2y < 4 y > x – 2 and x + 2y < 4 y > x – 2 and x + 2y < –4
  
• what is the mass percentage of c in morphine, c₁₇h₁₉no₃? provide an answer to two decimal places.
  
• you are given a graph of a linear equation, where the x-axis is time in months and the y-axis is money (in thousands) in your bank account. the equation of the line goes through the points (0, 5) and (10, 0). explain what these points represent in the context of the situation.
  
• 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
  
• which of the following shows the extraneous solution to the logarithmic equation? log subscript 4 baseline (x) + log subscript 4 baseline (x minus 3) = log subscript 4 baseline (negative 7 x + 21) x = negative 7 x = negative 3 x = 3 and x = negative 7 x = 7 and x = negative 3
  
• mrs. anderton is giving a test in her third-period class. she has decided to record the amount of time that each student takes to finish the test (in minutes) and compare that to the grade each student receives on the test (out of 100). a plot of her results is below. a graph depicts third-period math and plots the number of minutes versus grade. the data points plotted are as follows: (10, 87 point 5), (15, 89), (17 point 5, 99), (25, 94), (40, 59), (45, 97) and (50, 97). which of the following does this situation represent? a. both a relation and a function b. a function only c. neither a relation nor a function d. a relation only
  
• choose the best answer. which of the following grows on a tree? el cerdo el pollo la fresa la cereza