To convert kilometers to meters, you can use the conversion factor that 1 kilometer equals 1000 meters.
Anya rides 12 kilometers, so you can calculate the distance in meters as follows:
\[ 12 \text{ kilometers} \times 1000 \text{ meters/kilometer} = 12000 \text{ meters} \]
Therefore, Anya rides 12,000 meters to visit her friend’s house.