Dario was scuba diving at an elevation of -20 ft and then descended 20ft more after the descent what was his elevation in relation to the other driver shown

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?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Can someone explain to me how to do