Which of the following does not have a collapsed or indented side(s)? Select all that apply. trapezoid
convex polygon
parallelogram
concave polygon

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 mode of the numbers is 29.