Which quadrilateral does NOT have 2 pairs of congruent opposite angles? A) trapezoid
B) square
C) rectangle
D) parallelogram

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?

A50% increase followed by 33 1/2% decrease

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.