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• which sentence is punctuated correctly? the aliens suffered from exhaustion, after traveling several light years. they needed some relaxation, when they finally landed their spaceship. after they rested a few days, the aliens revived sufficiently to explore. they needed all their energy, once they started hiking the rough terrain.
  
• write code that takes in two words from user input and stores them in the variables a and b respectively. then, the program should swap the values in a and b, and print a and b. note: the variable names a and b are required for this question. sample run enter a word: apple enter a word: zebra a: zebra b: apple
  
• which is equivalent to (4 x y minus 3 z) squared, and what type of special product is it? 16 x squared y squared + 9 z squared, the difference of squares 16 x squared y squared + 9 z squared, a perfect square trinomial 16 x squared y squared minus 24 x y z + 9 z squared, the difference of squares 16 x squared y squared minus 24 x y z + 9 z squared, a perfect square trinomial
  
• select the correct answer from each drop-down menu. graph of a composite shape in the first quadrant of a coordinate plane. the composite shape is formed by a rectangle and a triangle. the rectangle is at a (0, 6), b (2, 6), d (2, 0), and e (0, 0). the triangle is at b (2, 6), c (6, 3), and d (2, 0). in the figure, the ratio of the perimeter of rectangle abde to the perimeter of triangle bcd is . the area of polygon abcde is square units.
  
• a convex, $11$-sided polygon can have at most how many obtuse interior angles? note: convex means that each interior angle measure is less than $180^\circ$.
  
• research suggests that students could benefit from later school starting times. a school administrative team is considering a proposal to move the starting time of the local schools one hour later than the current start time. to measure interest in the proposal, members of the team randomly select subjects attending a large high school soccer tournament played on the high school grounds on a saturday morning. the team finds that 58% of those surveyed support a later high school start time. which type of bias is most likely to be present in the survey results?
  
• the number of hours worked by each of the employees last week at two stores are listed below. hours worked in a week at two stores store 1 16, 28, 36, 40, 78 store 2 22, 27, 33, 36, 40 which statements are true and supported by the data in the table? check all that apply.
  
• satellite imaging allows scientists to observe _______. a. where deforestation has removed the trees b. where deforestation has occurred but is recovering c. where deforestation has not occurred d. all of the above
  
• read the excerpt from grendel. thus i fled, ridiculous hairy creature torn apart by poetry—crawling, whimpering, streaming tears, across the world like a two-headed beast, like mixed-up lamb and kid at the tail of a baffled, indifferent ewe—and i gnashed my teeth and clutched the sides of my head as if to heal the split, but i couldn’t. how is grendel characterized in this excerpt? as humorous and comical as violent and dangerous as upset and confused as weak and sickly
  
• in which career field, would the computing technology industry association's comptia a+ certification be useful? the field.