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• the roller coaster cars on top of the first hill travel to the top of the second hill and come to a stop. analyze this motion in terms of kinetic energy and potential energy. state when each form of energy is zero and when it’s at its maximum.
  
• what can be concluded about mrs. hale from this excerpt from trifles by susan glaspell?
  
• a lamp has a current of 2.0 amperes at 6.0 volts. what is the resistance of the lamp?
  
• why do plants and animals adapt to their environment? a to become better at getting food b to protect themselves against other animals c to become better able to survive in their surroundings d all of the above
  
• parallelogram a b c d is shown. the length of a b is (9 x minus 14) inches and the length of d c is (3 x + 4) inches. in parallelogram abcd, what is dc? 3 in. 9 in. 13 in. 19 in.
  
• which statements are true of heterogeneous mixtures? check all that apply. they settle out. they exhibit the tyndall effect. their solutes and solvents appear as one. they exhibit brownian motion. they are evenly distributed mixtures.
  
• people who have aids are more likely than others to become ill with multiple infections because the pathogen that causes aids
  
• which statement is true? a positive and a negative rational number can have the same magnitude. the absolute value of a number is always greater than the number. the magnitude of a number can be either positive or negative. the greater the value of a number, the greater the magnitude.
  
• which statement about agricultural production in africa is false? a. agricultural production has increased significantly since 1960. b. population is increasing, so the demand for food is also increasing. c. soil fertility and quality are decreasing. d. limited investment has been made in mechanization on the continent. please select the best answer from the choices provided. a b c d
  
• what is w = ⟨–6, 11⟩ written as a linear combination of unit vectors? w = –11i + 6j w = –6i + 11j w = 6i – 11j w = 11i – 6j