Answers created by Hunt B.

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• Use the following formulas to answer the questions below: T(M,R)=R+0.6(M-R) M(x)= 220-x where R= resting heart rate, M= maximum heart rate, and x= age Recall our discussion of heart rate and composition of functions from the end of the section?
  
• What is the least common denominator of the rational expression: #5/x^2 - 3/(6x^2 + 12x)#?
  
• How does antibiotic resistance develop?
  
• Question #1bd56
  
• How do you solve 3x+2y=5 and 2x+5y=-3?
  
• Question #4eaac
  
• Are there any industries that require a high market concentration to exist?
  
• What are some real-world examples of industries where economies of scale are extensive and equilibrium are met?
  
• Why does accumulating foreign reserves in the currencies of a country's trading partners improve exports?
  
• Why does accumulating foreign reserves in the currencies of a country's trading partners improve exports?
  
• Which type of business is owned by anyone who wants to buy stock?
  
• What is a market maker and how they market equilibria to be reached?
  
• How do metamorphic rocks change into magma?
  
• Why are lipids not considered polymers?
  
• What are some examples of different types of lipids?