What lesson can readers learn from Jane Elliott’s The Blue-Eyed, Brown-Eyed Exercise?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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?

If g^-1(x) is the inverse of g (x) which statement must be true