Respuesta :

Answer:

11

Step-by-step explanation:

We can plug in a pair of x and y values into the equation given to us...

y=rx

22=r2

Divide both sides by 2

r=11

Answer:

r=11

  • y=Rx
  • 22= 11*2
  • 77= 11*7
  • 99=11*9
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