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• scientific theories are subject to change. please select the best answer from the choices provided t f
  
• a class has $90 to spend on a field trip. the field trip costs $2.50 per person and there will be 5 chaperones on the trip. one student used the inequality 90 greater-than 2.50 (x + 5) to find x, the number of students that the field trip budget could accommodate. which best describes the error in the student’s inequality? the expression representing the cost should be 2.50 (5 x). the expression representing the cost should be 2.50 (x + 5 x). the inequality symbol should be greater-than-or-equal-to instead of > since up to and including $90 may be spent. the inequality symbol should be less-than-or-equal-to instead of > since less than or equal to $90 may be spent.
  
• read the passage about what happened in pompeii after mount vesuvius erupted. there was found a skeleton with a bronze axe, having attempted to break through the wall next to him. it is not unreasonable to suppose that he was . . . unable to flee by means of the courtyard, where the volcanic debris was too abundant, had attempted to make his way through the opposite wall. –françois de paule latapie why is the passage an example of a secondary source? the author is describing a firsthand account of the ruins of pompeii. the author is providing commentary on his discovery in the ruins of pompeii. the author is explaining what he experienced during the eruption of mount vesuvius. the author is presenting evidence about the damage caused by the eruption of mount vesuvius.
  
• which governmental group is responsible for creating myplate? a. united states department of agriculture (usda) b. food and drug administration (fda) c. united states department of education (usde) d. dietary regulatory committee (drg)
  
• you are implementing security at a local high school that is concerned with students accessing inappropriate material on the internet from the library's computers. the students use the computers to search the internet for research paper content. the school budget is limited. which content filtering option would you choose?
  
• the table represents the multiplication of two binomials. a geometric model with 2 columns and 2 rows. the first column is labeled negative 2 x with entries a, c. the second column is labeled 3 with entries b, d. the first row is labeled 4 x with entries a, b. the second row is labeled 1 with entries c, d. which letters from the table represent like terms? a and b b and c a and d b and d
  
• what is depicted above? a. wapepe storm chart b. wapepe celestial chart c. wapepe navigation chart d. wapepe anatomy chart
  
• the writer wants to add a sentence after sentence 11 to conclude the passage with a quotation that effectively restates and reinforces the overall argument. which choice best accomplishes this goal?
  
• select the correct answer. the orbital radius of venus is 0.72 au. what is this distance in kilometers? (one au is about 150 million kilometers.) a. 10.8 kilometers b. 10.8 million kilometers c. 108 kilometers d. 108 million kilometers
  
• michael is organizing a game of chance for his class. he asks each student to pick a ribbon from a bag and then put it back into the bag. the bag has 12 yellow ribbons, 7 red ribbons, and 3 blue ribbons. if jane picks a ribbon, what is the probability that the ribbon will be yellow and what is the likelihood of this event?