Elena bought 320 tropical fish for a museum display. she bought 7 times as many triggerfish as parrotfish. how many of each type of fish did she buy? 120 parrotfish, 200 triggerfish 40 parrotfish, 280 triggerfish 20 parrotfish, 140 triggerfish 280 parrotfish, 40 triggerfish

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.