To convert 1,000 meters to yards using the given ratio (1 m ≈ 1.09 yards), you can multiply the distance in meters by the conversion factor.
So, for Martha's run: \[ 1,000 , \text{m} \times 1.09 , \frac{\text{yards}}{\text{m}} = 1,090 , \text{yards} \]
Therefore, the answer is b) 1,090.