Can someone me with these 2 questions?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i.e dependent variable) and identify the independent variable.