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• if isosceles triangle abc has a 130° angle at vertex b, which statement must be true? m∠a = 15° and m∠c = 35° m∠a + m∠b = 155° m∠a + m∠c = 60° m∠a = 20° and m∠c = 30°
  
• melodies for many chinese folk songs and ballads were composed on the basis of speech tone. every mandarin chinese character has an assigned tone. in all, mandarin chinese has:
  
• the graphed line shown below is y = 5 x minus 10. on a coordinate plane, a line goes through (2, 0) and (3, 5). which equation, when graphed with the given equation, will form a system that has no solution?
  
• which three of the following are characteristics of an economic union? common trade regulations absence of national governments free movement of capital and labor prohibition on all external trade free movement of goods
  
• a point charge of 5.7 µc moves at 4.5 × 105 m/s in a magnetic field that has a field strength of 3.2 mt, as shown in the diagram. a field of circles labeled b. there is a positively charged particle with a velocity vector pointing 37 degrees north of east labeled v. what is the magnitude of the magnetic force acting on the charge? 6.6 × 10–3 n 4.9 × 10–3 n 4.9 × 103 n 6.6 × 103 n
  
• pick the best definition of the term “heritage:” (1 point) responses genetic traits that are inherited, or passed down, from one family member to another. genetic traits that are inherited, or passed down, from one family member to another. a style of ceramic art that was developed in seventeenth century europe a style of ceramic art that was developed in seventeenth century europe characteristics, practices, and customs that are passed down through family, clans, gender groups, or larger cultural groups characteristics, practices, and customs that are passed down through family, clans, gender groups, or larger cultural groups the surrounding behaviors, beliefs, geography, history, and objects that create meaning around an object or event
  
• rachel plays a game by rolling two number cubes with sides numbered 1 through 6. to win the game, the sum of the numbers facing up must be 11. what is the probability that rachel will win the game? p(sum of 11) = 26 p(sum of 11) =212 p(sum of 11) =236 p(sum of 11) =436
  
• triangle def was dilated according to the rule do,one-third(x,y)(one-third x, one-third y) to create similar triangle d'e'f'. on a coordinate plane, (0, 0) is the center of dilation. triangle f d e is dilated to create smaller triangle f prime d prime e prime. triangle f d e has points (negative 9, 3), (negative 9, 9), (negative 6, 6). triangle f prime d prime e prime has points (negative 3, 1), (negative 3, 3), and (negative 2, 2). which statements are true? select three options. ∠f corresponds to ∠f'. segment ee' is parallel to segment ff'. the distance from point d' to the origin is one-third the distance of point d to the origin. the measure of ∠e' is one-third the measure of ∠e. △def △d'e'f'
  
• a system that keeps only a fraction of funds on hand and lends out the remainder
  
• best answer tests include a. matching and multiple choice tests c. multiple choice and matching tests only b. multiple choice, t/f and matching tests d. none of these