The diagonals of a quadrilateral must be bisect each other and be perpendicular to guarantee that the quadrilateral is a program

For the following sequence determine the common difference (if it is an arithmetic sequence) or the common ratio (if it is a geometric sequence).

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?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)