Questions asked by Noochie

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• what is the relationship between the trophic level of an organism and and the concentration of DDT in its body?
  
• Erin, who is 1.60 m tall, casts a shadow that is 1.25 m long. Her shadow extends to the end of a tree’s shadow when she stands 4.75 m from the tree. What is the height of the tree?
  
• △WXY is similar to △ZWY. Calculate ZY to the nearest tenth? (Picture included)
  
• Sara was helping her father assemble a slide for the local park. He decides to reinforce the slide with an extra support beam. How long should the extra support beam be? (Image included)
  
• A highway is 600 km in length. If the length of the highway on a map is 6 cm, what is the scale factor? Hint: 1 km = 100 000 cm.
  
• The ph scale is a way of comparing...?
  
• What are the angle measurements OS X and y in each diagram?
  
• The radius of the circle is 11.1 cm, the radius CM is perpendicular to the chord LK, and MQ measures 3.4 cm. What is the length of the chord LK?
  
• Photos included For each of the following diagrams what is the value of x?
  
• Simplify (2x + 4x + 6x +8x +... +2006x + 2008x) x +3x 5x + 7x +...+ 2005x + 2007x).?