Determine the area of the shaded region in the following figure!

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?

Which expression and diagram represent “renee biked four times as far this month as last month”?

In the diagram below, abc is congruent to dec what is the value of x