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• the mass of a high speed train is 4.5 × 105 kg , and it is traveling forward at a velocity of 8.3 × 101 m/s . given that momentum equals mass times velocity, determine the values of m and n when the momentum of the train (in kg⋅m/s ) is written in scientific notation.
  
• select the correct phrases in the passage. which words in the passage from the declaration of independence show the influence of the enlightenment idea of natural law? we hold these truths to be self-evident, that all men are created equal, and that they are endowed with their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness. that, to secure these rights, governments are instituted among men, deriving their just powers from the consent of the governed. that, whenever any form of government becomes destructive of these ends, it is the right of the people to alter or to abolish it, and to institute new government, laying its foundation on such principles, and organizing its power in such form, as to them shall seem most likely to effect their safety and happiness.
  
• which is the graph of the function f(x) = x2 + 2x + 3? on a coordinate plane, a parabola opens up. it goes through (negative 2, 3), has a vertex at (negative 1, 2), and goes through (0, 3). on a coordinate plane, a parabola opens up. it goes through (0, 3), has a vertex at (1, 2), and goes through (2, 3). on a coordinate plane, a parabola opens up. it goes through (negative 4, 3), has a vertex at (negative 2, negative 1), and goes through (0, 3). on a coordinate plane, a parabola opens up. it goes through (0, 3), has a vertex at (2, negative 1), and goes through (4, 3).
  
• three treatments of different starting materials are listed. which statement explains the treatments?
  
• when deciding how to use resources, you need to evaluate the costs and benefits of each choice to decide which meets your criteria. these are called
  
• use the number line to answer the question. a number line going from negative 5 to positive 5. point a is negative 1, point b is 0, point c is 1, and point d is 4.5. which statement about graphing rational numbers is true? the graphs of all rational numbers will be to the right of point b. the graphs of all rational numbers will be to the left of point b. point d does not represent a rational number. all of the points on the graph could represent rational numbers.
  
• charging someone higher interest on a loan because they missed a payment in the past is
  
• which of the following is a chemical barrier that is able to destroy the cell walls of certain harmful bacteria? a. mucus membranes b. skin c. white blood cells d. enzymes in tears
  
• a bank that addresses a community development need in its assessment area and donates to recovery efforts of a flooded lower-income area might be an example of the bank supporting what act?
  
• explain how religions use works of art to encourage and spread their beliefs.