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• an element with mass 130 grams decays by 22% per minute. how much of the element is remaining after 7 minutes, to the nearest 10th of a gram?
  
• why did hamilton want the federal government to assume the states’ debts? he wanted to make the national debt larger in the end. he was required to do so by the constitution. he wanted to increase the influence of the federal government.
  
• a playa is a(n) __________. a. natural lake that is dry for long periods of time b. underground water reserve c. man-made freshwater reservoir d. navigable river waterway
  
• which graph represents the function f(x) = (x – 3)2? on a coordinate plane, a parabola opens up. it goes through (negative 6, 8), has a vertex at (negative 3, 0), and goes through (negative 0, 8). on a coordinate plane, a parabola opens up. it goes through (negative 4, 7), has a vertex at (0, negative 9), and goes through (4, 7). on a coordinate plane, a parabola opens up. it goes through (1, 4), has a vertex at (3, 0), and goes through (5, 4). on a coordinate plane, a parabola opens up. it goes through (negative 2, 7), has a vertex at (0, 3), and goes through (2, 7).
  
• a person is interested in becoming an electrician. what are some appropriate types of preparation that this individual can consider? (select all that apply.)
  
• the graph of the function f(x) = (x + 2)(x + 6) is shown below. on a coordinate plane, a parabola opens up. it goes through (negative 6, 0), has a vertex at (negative 4, negative 4), and goes through (negative 2, 0). which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.
  
• why was the supreme court’s ruling important in gitlow v. new york with respect to due process? because it used the definition of citizenship to interpret the issue of incorporation because gitlow's legal rights were used to interpret the issue of incorporation because the supreme court believed gitlow was guilty because the supreme court believed gitlow was innocent
  
• given that ray e b bisects ∠cea, which statements must be true? select three options. m∠cea = 90° m∠cef = m∠cea + m∠bef m∠ceb = 2(m∠cea) ∠cef is a straight angle. ∠aef is a right angle.
  
• which of the following is not true about essential body fat?a.the human body would not function normally without essential body fat.b.essential body fat accounts for about 3% of men's total weight.c.the percentage of essential body fat is the same for both males and females.d.essential body fat is found in one's organs, bones, and muscles. please select the best answer from the choices provided.abcd
  
• a gene that codes for one of the polypeptide chains of the blood protein hemoglobin lies on chromosome 11 in humans. a substitution mutation in that gene causes the amino acid valine to be incorporated into hemoglobin in a place where glutamic acid would normally lie. the result is sickle cell disease. explain how a change in a single base in dna can bring about such a serious disorder.