Which set of data is nonlinear

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?