If the frightened dot ran from -34 to -66 for 5 minutes then, the distance is __ units and the average speed is __ units per minute.

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

The answers are 20,30,80,180,960,890,1230,4560. on the first row