Along a straight line, when x equals 90, then y equals 30. When x ...

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Along a straight line, when x equals 90, then y equals 30. When x equals 120, then y equals 40. The slope of the straight line is
 
  A) 1/3.
  B) -1/3.
  C) 3.
  D) -3.

Question 2

Which of the following statements is true?
 
  A) A monopolist faces an upward sloping demand curve.
  B) A perfectly competitive firm faces an upward sloping demand curve.
  C) A monopolist can increase the price of its product and not lose all of its business.
  D) A perfectly competitive firm can increase the price of its product without losing its business.

[kbennett34]

Answer to Question 1

A

Answer to Question 2

C

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Thanks for the timely response, appreciate it

[Jsherida]

Gracias!